Tag: Hacking
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Cracking MIFARE Classic: Offline Nested Authentication Attack Explained
In my research on RFID protocols, I wrote a deep-dive doc breaking down one of the most effective attacks on MIFARE Classic cards: the offline nested authentication attack. This technique lets an attacker recover all sector keys on a card, starting with just a single known key. I like this attack a lot because it…
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Ransomware 3.0: The Evolution of a Digital Plague
Ransomware isn’t going anywhere. In fact, it’s only getting worse. Cybercriminals are finding new, creative ways to exploit vulnerabilities, make money, steal data, and terrorize people, businesses and municipalities alike. During a talk I attended today hosted by Dan Lohrmann (Presidio) and Earl Duby (Auxiom), a panel of cybersecurity heavyweights comprised of guest speakers Allan…