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DMARCIAN: DMARC: Foundational Ransomware Defense
DMARCIAN just posted another engaging write-up:
Ransomware, Act I The first documented ransomware attack was delivered by the postal service in 1989 when 20,000 floppy discs loaded with malware were sent to AIDS researchers across the globe with the promise of advancing research. When loaded in computers, the discs installed malware and displayed a ransomware message demanding payment to restore data and systems. The attacker, an AIDS researcher himself, took advantage of other researchers to capitalize on the urgency and uncertainty of the AIDS epidemic. Cybercriminals continue to employ similar scare tactics today, using coercion, matters of necessity and social engineering to dupe unsuspecting people. Instead of using snail mail, cybercriminals use unprotected domains to send spoofed emails for deploying ransomware. What is Ransomware? The Cybersecurity and Infrastructure Security Agency (CISA) defines ransomware as a type of malware “cyber actors use to deny access to systems or data. The malicious cyber actor holds systems or data
Read more from the original source: DMARC: Foundational Ransomware Defense
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