Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

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GnuPG: Comprehensive OpenPGP Compliance And Encryption Tool

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GnuPG is a complete and free replacement for PGP. Because it does not use IDEA or RSA it can be used without any restrictions. GnuPG is a RFC2440 (OpenPGP) compliant application.