signal

The FBI Read Deleted Signal Messages Without Breaking Signal's Encryption

John Z Black Apr 11, 2026

Privacy & Digital Rights #signal #ios #push-notifications #digital-forensics #fbi #privacy

Signal's encryption held. Disappearing messages ran. The FBI still walked into court with Signal message content from a seized iPhone. Here's exactly how, and the one setting that closes the gap.

Your Encrypted Messaging App Is Secure. Your Account Isn't.

John Z Black Apr 5, 2026

Threat Intelligence #signal #whatsapp #ncsc #account-hijacking #social-engineering #russia

The NCSC warns that Russian hackers are hijacking Signal and WhatsApp accounts through social engineering, not by breaking encryption.

Meta Killed Instagram's Encryption and Hired Signal's Founder to Encrypt Its AI in the Same Week

John Z Black Mar 23, 2026

Privacy & Digital Rights #meta #instagram #end-to-end-encryption #signal #moxie-marlinspike #privacy #e2e

Meta un-defaulted end-to-end encryption on Instagram DMs while partnering with Moxie Marlinspike to encrypt its AI chatbot, revealing exactly where Big Tech's privacy priorities actually land.

Your Encrypted Chat Is Fine. Your Trust Model Isn't.

John Z Black Mar 21, 2026

Threat Intelligence #signal #whatsapp #phishing #russian-intelligence #social-engineering #salt-typhoon #messaging-security

The FBI and CISA warn that Russian intelligence compromised thousands of Signal and WhatsApp accounts -- not by breaking encryption, but by tricking users into handing over access. Here's what that means and what to do.

Two Spy Campaigns, Two Completely Different Playbooks

John Z Black Mar 16, 2026

Threat Intelligence #espionage #apt #china #russia #signal #asean #military #threat-intelligence

A Chinese APT has been sitting inside Southeast Asian military networks for six years. Meanwhile, Russian hackers are stealing Signal accounts with fake support messages. Same goal, wildly different approaches.

Meta's Killing Instagram Encryption While Bragging About Nuking 11 Million Scam Accounts

John Z Black Mar 14, 2026

Privacy & Platforms #meta #instagram #end-to-end-encryption #privacy #scam-accounts #e2ee #signal #whatsapp

Meta's shutting down Instagram's end-to-end encrypted chats in May while touting the removal of 10.9 million scam accounts. Both are real moves. The tension between them says a lot about what kind of security Meta actually cares about.

Russian Hackers Are Coming for Your Signal and WhatsApp

John Z Black Mar 10, 2026

Consumer Security #signal #whatsapp #russia #nation-state #linked-devices #encryption #consumer-security

Dutch intelligence says Russian state hackers are running a global campaign to hijack Signal and WhatsApp accounts by abusing the linked-device feature. Here's how to check if you're compromised.