Hacker News·4 min read·medium
International Revenue Share Fraud (IRSF)
D
djkurlander
✦AI Summary
A security researcher details how their VoIP server was used as a honeypot to track a coordinated International Revenue Share Fraud (IRSF) botnet. The botnet compromised various high-profile organizations to dial premium-rate numbers.
A multinational bank, a US state, and a custom teddy-bear workshop all unwittingly joined the same phone-fraud botnet. Here's how to check whether one of your own machines got caught in the same honeypot.
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