Clément Depernet — write-ups (en)

Clément Depernet — write-ups (en)Technical notes on cybersecurity, Cloud and distributed systems.https://cdeper.neten-usHardening an Oracle Cloud instance in 30 minuteshttps://cdeper.net/en/writeups/harden-oracle-cloud-instancehttps://cdeper.net/en/writeups/harden-oracle-cloud-instanceA freshly provisioned Oracle Cloud VM is reachable from the entire internet within seconds of creation. Here is the sequence I run before deploying anything on it.Wed, 12 Aug 2026 00:00:00 GMThardeningcloudlinuxssh