Opsec Cyber Cryptography Archives - Page 5 of 17

Category Archives: Cryptography

Beware rogue 2FA apps in App Store and Google Play – don’t get hacked!

February 27 2023 By Paul Ducklin in Cryptography, Malware, Security

Even in Apple's and Google's "walled gardens", there are plenty of 2FA apps that are either dangerously incompetent, or unrepentantly malicious. (Or perhaps both.)

Serious Security: GnuTLS follows OpenSSL, fixes timing attack bug

February 14 2023 By Paul Ducklin in Cryptography, Security

Conditional code considered cryptographically counterproductive.

Mary Queen of Scots Letters Decrypted

February 9 2023 By Bruce Schneier in Cryptography, Security

This is a neat piece of historical research.

The team of computer scientist George Lasry, pianist Norbert Biermann and astrophysicist Satoshi Tomokiyo—all keen cryptographers—initially thought the batch...
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OpenSSL fixes High Severity data-stealing bug – patch now!

February 8 2023 By Paul Ducklin in Cryptography, Security, Vulnerability

7 memory mismanagements and a timing attack. We explain all the jargon bug terminology in plain English...

Tracers in the Dark: The Global Hunt for the Crime Lords of Crypto

February 7 2023 By Paul Ducklin in Cryptography, Cybercrime, Law & order, Podcast, Security

Hear renowned cybersecurity author Andy Greenberg's thoughtful commentary about the "war on crypto" as we talk to him about his new book...

Attacking Machine Learning Systems

February 6 2023 By Bruce Schneier in Cryptography, cybersecurity, machine learning, Security, vulnerabilities

The field of machine learning (ML) security—and corresponding adversarial ML—is rapidly advancing as researchers develop sophisticated techniques to perturb, disrupt, or steal the ML model or data. It’s a...