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RSA-240 Factored

This just in: We are pleased to announce the factorization of RSA-240, from RSA's challenge list, and the computation of a discrete logarithm of the same size (795 bits): RSA-240 = 12462036678171878406583504460810659043482037465167880575481878888328 966680118821085503603957027250874750986476843845862105486553797025393057189121 768431828636284694840530161441643046806687569941524699318570418303051254959437 1372159029236099…

Eavesdropping on SMS Messages inside Telco Networks

Fireeye reports on a Chinese-sponsored espionage effort to eavesdrop on text messages: FireEye Mandiant recently discovered a new malware family used by APT41 (a Chinese APT group) that is designed to monitor and save SMS…

Scaring People into Supporting Backdoors

Back in 1998, Tim May warned us of the "Four Horsemen of the Infocalypse": "terrorists, pedophiles, drug dealers, and money launderers." I tended to cast it slightly differently. This is me from 2005: Beware the…

The NSA Warns of TLS Inspection

The NSA has released a security advisory warning of the dangers of TLS inspection: Transport Layer Security Inspection (TLSI), also known as TLS break and inspect, is a security process that allows enterprises to decrypt…

NordVPN Breached

There was a successful attack against NordVPN: Based on the command log, another of the leaked secret keys appeared to secure a private certificate authority that NordVPN used to issue digital certificates. Those certificates might…

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Attorney General William Barr on Encryption Policy

Yesterday, Attorney General William Barr gave a major speech on encryption policy -- what is commonly known as "going dark." Speaking at Fordham University in New York, he admitted that adding backdoors decreases security but…

The Myth of Consumer-Grade Security

The Department of Justice wants access to encrypted consumer devices but promises not to infiltrate business products or affect critical infrastructure. Yet that's not possible, because there is no longer any difference between those categories…