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Botnet Blues: Chinese Hackers Target Microsoft 365 with Password Spraying Chaos
A botnet linked to China is targeting Microsoft 365 accounts with password spraying attacks. Fueled by over 130,000 compromised devices, it sneaks past MFA using non-interactive sign-ins and Basic Authentication. This stealthy attack highlights the immediate threat posed to vulnerable systems, as Microsoft works to phase out Basic Authentication.
Hot Take:
Looks like Microsoft’s Microsoft 365 accounts have joined a new club they never signed up for – the “Botnet Bash”! With 130,000 uninvited guests crashing the party, it’s like a digital rager where everyone’s sharing one password instead of one drink. Who knew authentication could be this wild?
Key Points:
- A botnet linked to a Chinese threat actor is targeting Microsoft 365 accounts via large-scale password spraying attacks.
- The botnet leverages over 130,000 compromised devices and exploits non-interactive sign-ins with Basic Authentication.
- Basic Authentication’s vulnerability lies in transmitting credentials in plain form, making it a juicy target for attackers.
- These stealthy attacks often go unnoticed by security teams due to logs not being monitored.
- The botnet, suspected to be controlled by a Chinese group, uses credentials obtained from information-stealer malware.
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