Client-Side Scanning: What APK Verification Can Prove
Understand client-side scanning and the limits of APK hashes, signatures and reproducible builds. A matching checksum is not proof that an app cannot scan you.
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THE LIVARA BLOG / PRIVACY & TECHNOLOGY
A more private internet. A little more understood.
Ideas, explainers, and useful questions about encryption, private messaging, and the technology in your everyday life.
Discover the latest ↓UNDERSTAND SECURITY. MAKE ROOM FOR CONVERSATION.A publication by Livara ↗
THE READING ROOM
Fresh perspectives.
Disappearing Messages and Key Erasure: What Deletion Means
Learn what disappearing-message timers can remove, how cryptographic erasure works and why screenshots, backups and copied keys remain separate risks.
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Removing a Group Member: Rekeying and LGS1 Security
Removing a member from a chat needs more than a UI change. Learn how rekeying protects future messages and what LGS1 documentation does and does not establish.
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Can AI Scrape Encrypted Chats? Data Paths and Limits
How end-to-end encryption changes server-side AI access to private messages, and where channels, metadata, devices and optional AI features need separate review.
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Quantum Hardware and Messaging: What Q-Day Headlines Mean
Quantum benchmarks are not demonstrations of broken chat encryption. Learn how to assess hardware milestones, long-lived secrets and post-quantum migration.
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Can Browser Extensions Read Your Encrypted Chats?
A browser extension with access to a chat site can read rendered messages. Learn what permissions expose and how to reduce the risk.
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Messaging App Subpoenas: Content, Metadata and Limits
What can a messaging provider disclose? Separate server-held records, encrypted content, device access and backups without assuming E2EE means legal immunity.
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Post-Quantum Encryption in the Browser: Trust and Limits
How browser messaging can combine WebCrypto and ML-KEM, where web delivery changes trust, and what to verify about keys, updates, performance and storage.
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SIM Swaps and Messaging Accounts: Risks and Protection
A stolen phone number can expose SMS login and recovery. Learn what protects messaging accounts, why old chats are a separate question, and what to do next.
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Android Advanced Protection: What Changes for Messaging Apps
Advanced Protection can restrict installation and strengthen device defenses. Learn its limits, the difference from account protection, and what to test after enabling it.
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Can AI Assistants Read Your Messages? An Android Access Checklist
Review notification, keyboard, accessibility and connected-app access without assuming every AI tool sees every chat. Test changes using harmless content.
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Data Breach News: How to Verify a Claim and Protect Your Accounts
Separate allegations from confirmed disclosures, identify the exposed information and take proportionate account-protection steps.
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