Researchers have found a new way to attack the SHA-1 hashing algorithm, still used to sign almost one in three SSL certificates that secure major websites, making it more urgent than ever to retire it ...

This will be a technical article introducing file hashes, how to generate hashes with PowerShell and, when copying files, how to use hashes to your advantage to ensure file copies were successful.

Security researchers have achieved the first real-world collision attack against the SHA-1 hash function, producing two different PDF files with the same SHA-1 signature. This shows that the algorithm ...