Sealckers is a word originated by seal (signet, cachet) and - *ckers, meaning hackers. It symbolizes the seal of hacking culture on the net.
Sealckers.org is the server owned and maintained by nicolaat
org, focused on infosecurity (advisories and vulnerabilities sharing with a system of security news aggregation) , hacking, pentesting, seo, bug-hunting, with The Press (infosec.sealckers), a blog space owned by Ceo, for sploits, hacks, stuffs, papers and so on.
All work of Sealckers.org is focused on security, hacking and programming.