Category: Signal
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FBI Extracts Deleted Signal Messages from iPhone Notification Database
FBI Extracts Deleted Signal Messages from iPhone Notification Database 404 Media reports (alternate site): The FBI was able to forensically extract copies of incoming Signal messages from a defendant’s iPhone, even after the app was deleted, because copies of the content were saved in the device’s push notification database…. The news shows how forensic extraction—when…
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Your Signal account is safe – unless you fall for this trick
Your Signal account is safe – unless you fall for this trick Signal, the encrypted messaging app trusted by security-savvy users around the world, has confirmed that hackers have managed to takeover accounts – with government officials and journalists among those being targeted. Read more in my article on the Hot for Security blog. Graham…
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State-backed spyware attacks are targeting Signal and WhatsApp users, CISA warns
State-backed spyware attacks are targeting Signal and WhatsApp users, CISA warns CISA, the US Cybersecurity and Infrastructure Security Agency, has issued a new warning that cybercriminals and state-backed hacking groups are using spyware to compromise smartphones belonging to users of popular encrypted messaging apps such as Signal, WhatsApp, and Telegram. Read more in my article…
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Signal’s Post-Quantum Cryptographic Implementation
Signal’s Post-Quantum Cryptographic Implementation Signal has just rolled out its quantum-safe cryptographic implementation. Ars Technica has a really good article with details: Ultimately, the architects settled on a creative solution. Rather than bolt KEM onto the existing double ratchet, they allowed it to remain more or less the same as it had been. Then they…
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Using Signal Groups for Activism
Using Signal Groups for Activism Good tutorial by Micah Lee. It includes some nonobvious use cases. Bruce Schneier Go to bruce schneier
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Signal Blocks Windows Recall
Signal Blocks Windows Recall This article gives a good rundown of the security risks of Windows Recall, and the repurposed copyright protection took that Signal used to block the AI feature from scraping Signal data. Bruce Schneier Go to bruce schneier
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Smashing Security podcast #412: Signalgate sucks, and the quandary of quishing
Smashing Security podcast #412: Signalgate sucks, and the quandary of quishing QR codes are being weaponised by scammers — so maybe think twice before scanning that parking meter. And in a blunder so dumb it makes autocorrect look smart, the White House explains how it leaked war plans on Signal because an iPhone mistook a…
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The Signal Chat Leak and the NSA
The Signal Chat Leak and the NSA US National Security Advisor Mike Waltz, who started the now-infamous group chat coordinating a US attack against the Yemen-based Houthis on March 15, is seemingly now suggesting that the secure messaging service Signal has security vulnerabilities. “I didn’t see this loser in the group,” Waltz told Fox News about Atlantic editor in…