data-destruction
2 posts
Article
dd writes raw sectors below the filesystem
Why the Unix dd command is a real security primitive: raw block writes below the filesystem, wiper TTPs, exfiltration, and the telemetry gap defenders miss.
Article
DELETE leaves the body
DROP TABLE and DELETE in Postgres destroy nothing: MVCC dead tuples, unlinked relfilenodes, and WAL keep the data recoverable, and replicas diverge.