Nickel.zip

While "nickel.zip" is a newer or alternative naming convention, it follows the lineage of the famous .

The file is structured like a "nesting doll." Inside the main ZIP file are 16 smaller ZIP files. Inside each of those are 16 more, and so on. nickel.zip

Most modern operating systems and security software have evolved to neutralize threats like "nickel.zip": While "nickel

: Scanners are now programmed to stop looking after a certain number of layers (e.g., 5 or 10 deep). nickel.zip

: In a corporate environment, sending a zip bomb to a server that automatically scans attachments can take the entire mail server offline.

Zip bombs utilize two primary methods to achieve extreme compression ratios: