Android Messenger Session Theft: Why an App Lock Is Not Enough
Android messenger session theft can expose an encrypted chat after the legitimate user has unlocked it. End-to-end encryption protects the message on its j
LIVARA / PULSE + GUIDES
The Livara journal on secure messaging and privacy
The latest Livara Pulse stories and Livara technical guides, together in one reading room. Start with real questions about secure messengers, end-to-end encryption, metadata and conversation recovery.
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Pulse stories live on the Chat site. Technical guides live here. Every card opens its original source.
Verify an Android APK with SHA-256: What the Result Means
How to compare an APK against a published SHA-256 checksum, and why a matching hash does not prove source equivalence or a security audit.
A practical guide to secure messaging boundaries
Map content, metadata, identity, recovery and community spaces before choosing a security label.
The 'Military-Grade' Sleight of Hand: Decoding Messaging Cryptography
Discover why the military-grade encryption myth is marketing fluff, and learn how evaluating E2EE chat apps requires verifiable cryptographic standards.
The Asynchronous Trap: How Post-Quantum Encryption Works When Your Contact Is Offline
Learn how hybrid PQ asynchronous messaging and ML-KEM-768 prekey bundles maintain post-quantum forward secrecy when contacts are offline.
End-to-end encryption, explained without shortcuts
Understand endpoints, identity keys, content keys, metadata and recovery as one product system.
Messaging Layer Security MLS RFC 9420 vs LGS1 Protocol
Compare IETF Messaging Layer Security MLS RFC 9420 with Livara LGS1 protocol. Discover how post quantum group chat encryption protects private messaging.
ML-KEM-768 for Messaging: FIPS 203, Hybrid Keys and Limits
What ML-KEM-768 does in a messenger, why a hybrid design also uses P-256, and which security questions FIPS 203 does not answer.
Privacy-first messaging is a data-flow decision
Reduce message-system exposure through explicit collection, retention and recovery choices.
The Blind Librarian: Querying Chat Histories When the Server Cannot Read Them
Discover how an end-to-end encryption search function works using an E2EE offline database query to protect local chat indexing privacy.
Crypto Agility in Messaging: Why Versioned Protocols Matter
Cryptographic algorithms evolve, so secure messengers need protocols that can be inspected, tested, versioned, and upgraded without hiding important decisions behind vague security claims.
Engineering realtime systems that can recover
Combine live transport, authoritative persistence, idempotency and gap recovery.
The Backdoor on Your Device: How Verifiable APKs Defeat Client-Side Scanning
Client-side scanning threatens end-to-end encryption. Learn how verifiable APK integrity prevents malicious app updates and secures your device.
The Bandwidth Trap: How LGS1 Scales Post-Quantum Encryption to Group Chats
Learn how Livara's LGS1 protocol solves ML-KEM-768 scaling constraints to enable scalable post quantum E2EE group chat sender key encryption.
Livara technical glossary
Plain-language definitions for terms used across realtime, privacy and healthcare operations.
The Opt-In Illusion: Contrasting Default Encryption Mandates Across Five Leading Messengers
Read our default end-to-end encryption comparison. See how WhatsApp privacy defaults and Telegram secret chats vs Livara impact your daily security.
The Default Illusion: Comparing Out-of-the-Box Encryption Across the Top 10 Messaging Apps
An out of the box E2EE comparison of messengers. Learn why an always on encryption messenger beats opt-in privacy, and how Livara protects chats by default.
Privacy-first product development through decisions
Turn data minimization, purpose and deletion into concrete product requirements.
Ask better questions before choosing a messenger.
Which conversations are end-to-end encrypted? What metadata does the service still see? What happens after a network outage or a lost device? This collection connects product claims to technical explanations and their limits.
Start with the secure messaging guide