Meanings
- uncountableComputer jargon that serves to obscure and confuse.
If the signature is formatted innocuously, it just looks like cybercrud in the mail header to non-crypto-capable recipients.
2002, Charlie Kaufman, Radia Perlman, Mike Speciner, Network Security: Private Communication in a Public World, page 510 - uncountableAny worthless material supplied by or relating to computers.
The headaches of junk mail fiber-crud pale beside the anxieties triggered by vivid multimedia cybercrud, served up on optical disks and communication links.
1989, Personal Computing, volume 13, page 213
Origin
From cyber- + crud; coined by American information technologist, philosopher, and sociologist Ted Nelson in Computer Lib (1974).
Full word history & related roots →Cite this entry
cybercrud. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cybercrud
“cybercrud.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cybercrud. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “cybercrud,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cybercrud.
Source: cybercrud on Wiktionary, CC BY-SA 4.0.