66.zip

A zip bomb is a relatively small file that, when decompressed, expands into an impossibly large amount of data—often petabytes ( terabytes) or exabytes ( petabytes).

: Most security software now flags zip files with unusually high compression ratios as suspicious. 66.zip

: While various versions exist, "66.zip" is frequently cited in cybersecurity discussions as a classic example of this denial-of-service (DoS) attack method. A zip bomb is a relatively small file

: They are often used to disable antivirus software by forcing it to scan an "infinite" amount of data, allowing other malware to slip through undetected. Technical Risks Risk Factor Impact on System Storage Exhaustion : They are often used to disable antivirus

The decompression process consumes 100% of processing power, freezing the system.

: Many email providers scan attachments in isolated environments (sandboxes) to check for such resource-heavy files before they reach your inbox. Part-66 - EASA - European Union