Privacy & Surveillance

Maximizing iPhone Privacy: Essential Settings to Enable, Disable, and Verify Immediately

The article provides a detailed guide on strengthening iPhone privacy by limiting unauthorized access to messages, location data, photos, and cloud backups. It explains how to set a strong alphanumeric passcode, enable Stolen Device Protection, and restrict lock screen notifications and widgets. Users are advised to review Apple ID security, enable Advanced Data Protection for iCloud, and minimize app permissions for location, contacts, and camera. Additional steps include turning off cross-app tracking, using private Wi-Fi addresses, and activating Lockdown Mode for high-risk scenarios. The guide emphasizes regular updates, encrypted local backups, and periodic audits of shared access and active sessions to maintain long-term protection.

Top 10 Secure DNS Servers for Privacy, Threat Blocking and Ad Filtering in 2026

Public DNS resolvers differ significantly in their ability to block malicious domains, filter advertising and tracking, respect user privacy, and support modern encryption protocols. The guide evaluates ten services including Quad9, Cloudflare, AdGuard DNS, NextDNS, Control D, CleanBrowsing, Mullvad DNS, DNS4EU, Google Public DNS and DNS.SB, providing IPv4 addresses, DoH and DoT endpoints, and recommended use cases. Key distinctions include Quad9’s focus on phishing and malware blocking without logging, Mullvad’s strict no-logs policy requiring encrypted protocols only, and DNS4EU’s EU-based infrastructure with mandatory court-ordered blocks. The article explains why DNSSEC and encryption alone are insufficient and outlines four practical selection criteria: threat filtering quality, data-handling practices, encryption support, and network stability. Detailed configuration instructions cover Windows 11, Android, iOS, and home routers, along with verification methods and warnings against mixing providers with conflicting policies.

WebRTC IP Leaks Explained: Why Disabling the Protocol Harms Anonymity in Anti-Detect Browsers

The article from Aurorium details how WebRTC technology can leak real IP addresses even when users route traffic through proxies. It explains the peer-to-peer mechanics of WebRTC, the role of STUN servers in generating ICE candidates, and why standard TCP proxies fail to handle UDP traffic. Disabling WebRTC via flags or JavaScript extensions creates detectable anomalies that anti-fraud systems flag as non-standard environments. The recommended approach involves native emulation inside the browser kernel so that STUN requests return proxy IPs while preserving full API integrity across workers. Additional leaks through local network addresses, mDNS candidates, and IPv6 are also covered with practical verification methods using tools like BrowserLeaks and CreepJS.

Docx Anonymizer: Open-Source Chrome Extension Uses Fine-Tuned rubert-tiny2 to Anonymize Personal Data Before AI Uploads

A Russian developer has released Docx Anonymizer, a browser extension that automatically detects and replaces personal data in documents using a lightweight NER model before they reach public AI services such as ChatGPT. The tool was created to help organizations comply with Russia’s 152-FZ personal data protection law while avoiding the risks of uploading contracts and other sensitive files to cloud-based LLMs. It runs entirely locally via ONNX Runtime and WebAssembly, requires no network calls, and supports any AI chat interface. The underlying model, rubert-tiny2, was further trained through knowledge distillation on WikiANN, factRuEval, and synthetic business documents, reaching strong F1 scores for person and organization entities after int8 quantization. The extension intercepts text on the fly, performs named-entity recognition in under two seconds for typical contracts, and replaces detected entities with placeholders. The project is fully open source and designed for minimal user friction, addressing the growing problem of employees inadvertently leaking corporate and personal data to public AI platforms.

Hybrid Post-Quantum Message Sealing: X25519 + ML-KEM-1024 in Umbera Messenger with Public Rust Tests

Umbera messenger has open-sourced its cryptographic core and published seven Rust tests that anyone can run to verify its hybrid post-quantum message sealing scheme. The design combines X25519 with ML-KEM-1024 so that an attacker must break both algorithms to decrypt a message. Messages are protected by Double Ratchet for forward secrecy, sealed sender packaging, and per-message ephemeral keys derived via HKDF-SHA256 into AES-256-GCM. The relay server stores only an opaque box identifier and encrypted blob with no sender or recipient fields visible. Media calls use DTLS-SRTP end-to-end while TURN servers see only encrypted datagrams. Addresses for message boxes rotate weekly and are derived solely from the shared secret between the two parties.

Free Ad Blocker for iPhone, Android, and Desktop Uses DNS Parsing Without Libraries and Skips YouTube Influencer Ads From the First Second

A new free ad-blocking solution has been released for iPhone, Android, and desktop platforms. The tool relies on a lightweight DNS parser that operates without external libraries. It includes a dedicated mode for users who already run VPN connections. An accompanying browser extension automatically skips sponsored segments in YouTube videos, even when the advertisement begins at the zero-second mark. The developer describes the technical challenges encountered after launch and the fixes applied to maintain compatibility across operating systems. The project emphasizes user privacy by avoiding unnecessary data collection and third-party dependencies.

Why Replace Proprietary BIOS and UEFI with the Fully Free GNU Boot Firmware

The Free Software Foundation announced in September 2026 that it is providing financial and legal support to the GNU Boot project, which aims to deliver a completely open-source replacement for traditional BIOS and UEFI firmware. GNU Boot builds on coreboot to initialize hardware at boot time and layers a free bootloader such as GRUB or SeaBIOS on top, ensuring no proprietary binary blobs are required. The initiative emerged after a 2022 split from Libreboot, which began accepting closed-source components to broaden hardware support, while GNU Boot strictly adheres to GNU licensing criteria that prohibit any non-free code. Supported platforms remain limited to older systems from roughly 2008–2012, including specific ThinkPad models, certain early Apple MacBooks, and a handful of AMD and Intel desktop boards, because newer Intel Boot Guard and AMD equivalent mechanisms enforce signed firmware that prevents unsigned replacements. Closed firmware from Intel Management Engine and AMD Platform Security Processor runs before the main operating system, possesses unrestricted memory access, and cannot be audited or disabled on most modern hardware. By offering reproducible builds and clearer installation instructions, GNU Boot seeks to lower the barrier for users who want to eliminate potential backdoors, Wi-Fi whitelist restrictions, and forced updates found in vendor firmware.

WhatsApp Help Pages Hid Secret Instructions Directing AI Bot to Avoid GDPR References

Researchers at Redact discovered hidden instructions embedded in WhatsApp's public help documentation that instructed the company's AI support chatbot to avoid recommending users contact data protection regulators. The instructions also prohibited the bot from referencing GDPR, LGPD, or CCPA when users mentioned legal proceedings or lawyers. The findings emerged after Redact analyzed 545 help pages and identified 102 concealed blocks across 80 of them. One directive explicitly told the bot not to suggest contacting supervisory authorities even when users had lost access to their phone number and could not delete their account, despite WhatsApp's own European privacy policy stating that such complaints are permitted. WhatsApp confirmed to WIRED that the blocks were intended solely for its internal chatbot and attributed their public exposure to an error. The company stated the restrictions aimed to prevent the bot from offering legal advice. All hidden blocks were removed by October 18.

WhatsApp Secretly Instructed AI Support Bot to Suppress References to Data Regulators and Privacy Laws

Investigators discovered hidden instructions embedded in WhatsApp's public help pages that directed the company's AI chatbot to avoid recommending users contact data protection authorities. The instructions also prohibited the AI from citing privacy regulations such as GDPR, LGPD, or CCPA, even when users raised these topics themselves. The directives appeared on pages about account deletion and complaints, remaining invisible to human visitors but delivered to crawlers and the AI model. WhatsApp later confirmed the text was intended for its internal support chatbot and attributed the exposure to an error that has since been corrected. The findings highlight a gap between the company's publicly stated privacy policy and the operational guidance given to its AI systems.

Developer Builds Password Manager with Plausible Deniability Using Argon2id and XChaCha20-Poly1305

A Java backend developer rewrote a personal password manager originally built with Electron and React, migrating it to Tauri and Rust while redesigning its storage to support plausible deniability. The new implementation derives keys with Argon2id using a single per-install salt and encrypts files with XChaCha20-Poly1305, storing only random 32-character hex filenames without any headers or magic bytes. Multiple decoy vaults of identical size are created automatically for every user, and all files in the folder receive synchronized timestamps to eliminate metadata-based identification of the active vault. History and sync data are stored as additional encrypted files of the same format, making it impossible to distinguish real from decoy vaults from the filesystem alone. The approach mirrors VeraCrypt hidden volumes but operates on ordinary files and folders, with the explicit goal of providing deniability when a user is compelled to reveal a password.

LxBox Evolves from VPN Client to Comprehensive Network Traffic Management Ecosystem

LxBox has grown from a personal Android client for sing-box into a full ecosystem spanning mobile, desktop, and router platforms. The project now supports a wide range of VPN and proxy protocols within a single routing framework, allowing users to manage corporate SSL VPNs, home WireGuard connections, and proxy servers together. Key security features include default ingress blocking to prevent unauthorized reverse connections through VPN tunnels and protections against traffic leaks via excluded applications. The developer introduced progressive configuration levels, from one-click WARP setup to advanced JSON editing and AI-friendly documentation. The core sing-box-lx fork ranks among the top sing-box derivatives and powers third-party tools such as the upcoming NekoBox 6. LxBox is available on Google Play, F-Droid, and GitHub, with desktop launcher support for Windows 7 and later, macOS, and Linux.

Understanding Russia's TSPU: How DPI Filtering, DNS Manipulation and Traffic Throttling Work

Russia's TSPU system combines hardware filters from RDP.ru with EcoFilter and EcoDPI software to perform both simple IP/port/transport blocking and advanced protocol recognition. The platform inspects DNS queries, SNI fields in TLS handshakes, QUIC packets and HTTP headers to enforce domain blacklists or apply throttling. When simple blocking fails, operators fall back to traffic shaping that drops packets or limits bandwidth after an initial window. Multiple bypass techniques including encrypted DNS tunnels, ECH, and specialized proxies such as Hysteria 2, NaiveProxy and Shadowsocks are examined in detail. The article also outlines future developments including expanded residential whitelists and neural-network-based traffic classification.

ONYX 2.0 Removes Central Servers for Fully Decentralized Tor-Based Messaging and Calls

ONYX 2.0-beta marks a major shift from its previously centralized design to a serverless architecture that relies entirely on Tor for all communications. Each user account is now represented solely by a cryptographic key pair generated on first launch, with recovery handled through a 12-word seed phrase. Devices connect directly via onion services, and the application bundles its own Tor daemon on desktop platforms while using tor-android on mobile devices. Voice calls are supported through an embedded local TURN server, delivering acceptable quality with 1-3 second latency despite the anonymity overhead. Message delivery now depends on recipient availability, with undelivered messages stored locally on the sender and retried automatically. The update deliberately removes features such as HTTP or SOCKS5 proxies and link previews to prevent IP leaks or external traffic. Developers released the beta to gather feedback on stability across network changes and multi-device scenarios.

Privacy-Focused Browser Tool Compresses PDFs Locally Without Uploading Sensitive Documents

A developer created a PDF compression tool that runs entirely inside the browser to protect sensitive personal and professional documents from third-party servers. The solution addresses repeated situations where embassy submissions, financial presentations, contracts, and internal reports exceeded size limits, forcing users to choose between installing desktop software or risking data exposure through online services. The tool reduces scanned and photographic PDFs by 66 to 97 percent depending on quality settings while honestly reporting weaker performance on text-heavy files compared with Ghostscript. It works on both desktop and mobile platforms, including iPhone and Android, requires no installation, and continues functioning offline after the first page load. On mobile devices the application respects memory constraints by limiting images to four megapixels, preserving readability for A4 documents intended for printing. The project originated from a single evening script built around Ghostscript and evolved into a full web application after similar compression needs recurred across multiple devices and locations.

Building Prizrak: How a Developer Created a Federated Messenger That Masks All Traffic as Legitimate HTTPS

A developer created Prizrak, a federated messenger with end-to-end encryption where all traffic, including calls, is indistinguishable from ordinary HTTPS connections. The project addresses three common limitations of existing messengers: centralized control points, mandatory phone numbers, and detectable encrypted traffic. It uses real TLS 1.3 handshakes to actual domains, multi-port listening, and a hidden token mechanism inside the encrypted channel. When servers cannot reach each other directly, messages are delivered through a network of storage nodes modeled after Ceph's RADOS system. Voice and video calls run on a native media stack with custom STUN-like functionality and careful UDP buffer sizing to avoid packet truncation. An integrated two-hop VPN reuses the same stealth transport while keeping messenger traffic outside the tunnel.

GrapheneOS Setup Guide: Configuring Pixel Phones for Corporate Surveillance-Free Daily Use

This comprehensive engineering guide explains how to deploy GrapheneOS on supported Google Pixel devices to eliminate corporate telemetry collection. It follows three core principles: rejecting proprietary ecosystems, applying Zero Trust through cryptography and open-source audits, and enforcing strict compartmentalization via isolated user profiles. The tutorial covers official installation via the Web Installer, basic owner profile hardening with PIN shuffling and automatic reboot, and the use of Obtainium for direct FOSS app management from GitHub repositories. Detailed recommendations include privacy-focused tools such as KeePassDX, Aegis Authenticator, AmneziaVPN, Signal, and Fossify applications, along with VPN kill-switch configuration. Regional profiles are created for sandboxed Google Play, Aurora Store, RuStore, and Huawei AppGallery to safely run banking, marketplace, and social apps without cross-profile tracking.

Following the White Rabbit: Developer Builds Custom Rust VPN PAYPHONE Using QUIC and Obfuscation to Evade Detection

A Russian developer has released PAYPHONE, an experimental IPv4 VPN written entirely in Rust that uses QUIC datagrams and optional TLS-over-TCP transport with custom obfuscation. The project aims to provide an alternative to AmneziaWG and Xray/VLESS+REALITY stacks that are commonly used to bypass Russian internet filtering. The article details the full packet path from TUN interface through a 16-byte PAYPHONE header, session management with Ed25519 tokens, and multiple post-launch bugs including MTU miscalculations, self-routing loops on macOS, and timer lifetime issues in Tokio. Key technical choices include RFC 9221 datagram support to avoid head-of-line blocking for multiplexed TCP flows and token-bucket rate limiting tied to subscription tokens. The author also describes route monitoring every 400 ms and interface-bound sockets to prevent the tunnel from swallowing its own control traffic.

WhatsApp Introduces Parental Controls for Teen Privacy Settings

WhatsApp, owned by Meta (recognized as an extremist organization and banned in Russia), has rolled out new parental control tools for family accounts. Parents can manage privacy settings, group participation, channel access, status visibility, and Meta AI usage for teens, but cannot read personal messages due to end-to-end encryption. All controls are voluntary and require joint setup with the teenager, protected by a single PIN code that prevents easy reversal of restrictions. Notifications alert parents when teens join or leave groups or when group sizes change significantly. Separate options cover channel usage, viewable statuses, and audience controls for teen posts. Meta AI access can be set to a standard 13+ mode or a stricter Limited Content mode with undisclosed restrictions. The company plans to expand these features gradually based on family feedback while maintaining encryption protections.

Can Wi-Fi Owners See Your Google Search History? HTTPS, DNS, SNI and ECH Explained

A viral social media video sparked widespread concern that Wi-Fi owners could view users' search history and visited sites simply by knowing the router password. Security experts from Cybernews and Surfshark clarified that modern HTTPS encryption prevents reading of actual search queries or page content. However, metadata such as DNS requests, SNI fields in TLS handshakes, and device MAC addresses remain visible to the network administrator. The introduction of Encrypted Client Hello (ECH) under RFC 9849 aims to hide domain names, yet Russian authorities have blocked many ECH-enabled connections since November 2024. Corporate or school-managed devices with installed root certificates represent the main real-world exception where full traffic inspection is possible. VPNs hide destinations from the local router but transfer visibility to the VPN provider. The article emphasizes that password-protected Wi-Fi grants access only to connection metadata, not browser history.

Yandex Deploys OPRF Protocol to Protect Phone Numbers in Mandatory Audience Measurement Data Sharing

Yandex has detailed a cryptographic scheme using Oblivious Pseudorandom Function (OPRF) to help Russian audiovisual services comply with new legislation requiring transmission of user identifiers linked to phone numbers. The approach replaces a naive shared-secret hashing method that created a single point of compromise across dozens of competing companies. Instead, two independent third parties each hold separate secret keys and process blinded elliptic-curve points derived from normalized E.164 phone numbers. Services obtain deterministic identifiers without learning the third-party keys and without exposing raw numbers to the authorized research organization. The design distributes trust, limits offline brute-force attacks to scenarios requiring both keys plus final identifiers, and adds rate limits plus key-rotation capabilities to deter abuse. Yandex positions the solution as a practical compromise between regulatory demands, competitive secrecy, and user privacy.

CookieTin Extension Manages Partitioned Cookies Across Firefox, Chrome and Edge

Developer Perruer2 has released CookieTin, an open-source browser extension that fully supports partitioned cookies under Firefox Total Cookie Protection and Chrome CHIPS. The tool addresses limitations in older managers like Cookie Quick Manager by correctly retrieving and deleting cookies stored with partitionKey values. It works across Firefox, Chrome and Edge using a single Manifest V3 codebase written in TypeScript and Preact. Key features include accurate cookies.txt export compatible with curl and yt-dlp, protected cookies that survive explicit deletion, and pre-save validation of browser rules for __Host- prefixes and SameSite attributes. E2E tests using Puppeteer verify handling of HttpOnly, partitioned and container cookies in all three browsers.

Kaspersky Premium for macOS Gains App Uninstall Feature to Remove Residual Files

Kaspersky Premium now includes an App Uninstall tool for macOS that locates and deletes leftover files such as caches, cookies, settings, and logs after applications are removed. The feature also identifies duplicate copies of programs and lets users remove all instances or select specific ones while preserving shared components used by other software. Survey data from Kaspersky shows that only 44 percent of macOS users delete unused applications, even though 56 percent regularly clear browser data and 54 percent remove unwanted media files. Residual files can contain sensitive information including account tokens, passwords, IP addresses, event logs, and personal documents, creating privacy risks especially when a device is sold or accessed by unauthorized parties. Deleted files can be restored from the trash or directly within Kaspersky Premium before the application session ends. The company also warns that malicious programs are frequently disguised as legitimate macOS cleaning utilities.

Bypassing VPN Detection on iPhone: Detailed Methods to Avoid App Blocks

Many iPhone users encounter apps that detect and block active VPN connections even after switching servers or protocols. The detection often occurs locally on the device by inspecting network interfaces rather than relying solely on external IP addresses. This guide explains how apps identify VPN tunnels through iOS network data and provides practical workarounds including moving the VPN to a router, configuring per-app exclusions, and using web versions of services. It also covers why protocol obfuscation and port changes fail to hide local VPN activity from applications. Additional troubleshooting addresses automatic VPN profiles, ad blockers, and iCloud Private Relay interference. The article emphasizes that no universal toggle exists in iOS to hide an active VPN from all apps.

New Obfuscation Method Dissolves Personal Data Records in Layer of Plausible Variants

A Russian information security researcher has proposed a data protection technique that renders stolen personal records unusable even after full compromise. The approach mixes real data such as phone numbers, emails, passports, addresses, INN and SNILS with vast numbers of semantically valid alternatives. Attackers receive nearly complete information including a 361-character message containing PIN codes and word order, yet lack the secret vector space and reconstruction algorithm required to identify the correct record. Without these components, brute-force attempts produce millions of plausible results with no architectural method to verify accuracy. The method is presented as an alternative to traditional encryption when data must remain accessible yet protected against extraction. A public sandbox is available for testing the approach.

Hydrat Project Builds Automated WireGuard Gateway for Resilient VLESS and Tor Routing

A developer has released Hydrat, a self-hosted gateway that connects devices via WireGuard while automatically managing VLESS and Tor backends to survive server blocks and quality degradation. The system maintains a pool of tested proxies, performs continuous health checks, and switches routes without requiring client-side profile changes. Two Go processes handle control logic and network enforcement separately, using SQLite for state and nftables plus Xray for traffic routing. TCP and UDP can be assigned independent exits, with geoip.dat support and custom rules to keep marketplace apps functional. The project emphasizes stability over direct connections and is designed for deployment on servers in Russian jurisdiction.

OpenAI Contractors Manually Review Real User Chats in Project Lily

OpenAI has engaged hundreds of external contractors to analyze actual user conversations with ChatGPT as part of its model improvement efforts. The reviewers, working under project Lily, examine real queries that may contain personal, medical, or other sensitive information despite the use of a Privacy Filter. Contractors summarize prompts, compare four model responses, and assign ratings from one to seven while flagging behaviors such as excessive sycophancy or inappropriate emojis. User identities are hidden and some data is filtered, yet OpenAI acknowledged that not all personal information is reliably removed. The same human review process is also employed by Anthropic for its Claude model. Users can opt out of future training use through account settings, although prior data remains unaffected.

UDP Proxies and QUIC Protocol: How Real IP Addresses Leak Through Anti-Detect Browsers

Anti-detect browser users relying on UDP-capable proxies face a hidden risk of real IP leakage when the browser fails to properly route UDP traffic. The QUIC protocol, which powers HTTP/3, runs over UDP and enables features like 0-RTT handshakes, independent streams, and connection migration that can bypass proxy routes. WebRTC connections using ICE, STUN, and TURN further increase exposure because they often attempt direct UDP paths outside the configured SOCKS5 proxy. Without deep network stack control such as TUN interfaces or socket interception, browsers may send WebRTC and QUIC packets through the host's real network interface. Aurorium Browser claims to solve this by natively supporting UDP proxying so that both QUIC and WebRTC traffic stays inside the tunnel. The article stresses that simply disabling WebRTC or forcing HTTP/2 fallback is insufficient and can itself create detectable anomalies for anti-fraud systems.

Google to Offer Granular Controls for Advanced Protection Mode in Android 16

Google is preparing more flexible settings for its Advanced Protection security mode that first appeared in Android 16. The changes were discovered by Android Authority researchers while examining Google Play Services version 26.36.30. A new Expert features section will let users enable individual protections such as USB Protection, intrusion detection logging, and restrictions on unsafe Wi-Fi networks without activating the entire strict mode. USB Protection blocks new USB connections while the screen is locked to prevent physical attacks, though it can interfere with fast charging on Pixel 6 and newer devices. Users will also be able to opt out of automatic connections to open or risky Wi-Fi networks if they regularly use public hotspots. Intrusion Logging remains optional and stores encrypted security logs in the cloud. The update aims to preserve core security benefits while removing the all-or-nothing requirement of the current Advanced Protection implementation.

rkn-block-checker 0.6.0 Adds Local Web UI and Reduces False Positives on Anti-Bot Responses

The open-source tool rkn-block-checker received a major update in version 0.6.0 that improves accuracy when detecting Russian ISP censorship blocks. The previous version incorrectly flagged sites protected by anti-bot systems as blocked by Roskomnadzor because it searched for common stub-page strings without checking HTTP status codes. A new logic layer now separates rate-limit responses such as HTTP 429 from genuine provider stub pages that typically return 200 OK or 451. The release also introduces a fully local Web UI built with Python’s standard-library HTTP server and vanilla JavaScript, eliminating the need for heavy frameworks. Results stream in real time via NDJSON so users can watch checks complete without polling or WebSocket connections. The project remains available on PyPI and GitHub under the MIT license.

Digital Surveillance in Your Pocket: Audit Uncovers Tracking and Weak Cryptography in 11 Top Russian Android Apps

An independent security researcher conducted a static analysis and passive logcat review of 11 popular Russian Android applications from banks, government services, marketplaces, and navigation tools. The audit identified 237 vulnerabilities in total, including six apps signed with outdated RSA-1024 or DSA-1024 keys that violate current NIST standards. VK led the risk ranking with 11 trackers and a 98/100 surveillance score, while Gosuslugi transmitted analytics signals to VK, Yandex, Google, and Huawei ecosystems. Five apps used WebRTC ICE candidate leaks to detect VPN usage, potentially bypassing user privacy protections. Only Goskluch scored low at 42.4/100 by limiting trackers to two, avoiding VPN detection, and using a compliant RSA-2048 signing key. The methodology relied solely on MobSF, jadx, and logcat without bypassing SSL pinning or requiring root access.