Cloudflare CTO John Graham-Cumming has successfully cracked and decrypted a 30-year-old ZIP file, and has written a blog post about how he did it. John Graham-Cumming's blog: Cracking an old ZIP file ...

Zip encryption is vulnerable to known-plaintext attacks. Implementation quality also is an issue; WinZip's is particularly bad. No source, I'm afraid.

That question can be interpreted two ways. Do you want to hack into someone else’s private files? Or do you want to avoid a form of encryption that won’t give you much protection? Since I believe that ...

Are you trying to open a password-protected PDF or ZIP file? Then, you already know how frustrating it can be. You try out different tools, and the result is a ...

Password-protected ZIP archives are common means of compressing and sharing sets of files—from sensitive documents to malware samples to even malicious files (i.e. phishing "invoices" in emails). But, ...

Having access to your documents and pictures is really easy these days. About a million services, including Dropbox and iCloud, allow you to sync your stuff between devices, but there’s one little ...

Hackers are targeting Windows machines using the ZIP file concatenation technique to deliver malicious payloads in compressed archives without security solutions detecting them. The technique exploits ...

I'm always on the lookout for new apps (especially FREE ones) that can accomplish more than one task. Once again our wonderful forum community turned me on to an amazing application called Rock File ...