WArmitage (computing)
WBlueKeep
WDangling pointer
WDROWN attack
WEFAIL
WEvil maid attack
WForeshadow
WHeartbleed
WIdle scan
WInteger overflow
WKRACK
WLoad value injection
WMalware
WMeltdown (security vulnerability)
WMetasploit Project
WMicroarchitectural Data Sampling
WPrivilege escalation
WRace condition
WReflected DOM Injection
WSmudge attack
WSpectre (security vulnerability)
WSQL injection
WStagefright (bug)
WSwatting
WTimeline of computer viruses and worms
WVault 7
WComputer virus
WWannaCry ransomware attack
WWarchalking
WWardriving