Infostealer malware has become the weapon of choice for cybercriminals, facilitating high-impact data breaches through its simplicity, wide availability, and low cost.
The newly discovered SYS01 infostealer iterates on previous versions by targeting Facebook users, employing malicious ads to capture sensitive credentials and personal information.
With its evolution since March 2023, SYS01 now uses legitimate-looking ads, making it harder for users to identify threats, thus posing a considerable risk to businesses.
Organizations must enhance their ad filtering systems and educate employees to recognize malicious ads, thereby reducing the risks posed by malware like SYS01.
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