WACARM-ng
WComputer worm
WArmitage (computing)
WARP spoofing
WArpON
WBotnet
WCaptive portal
WCapture the flag
WCisco Systems VPN Client
WClient Puzzle Protocol
WComputer security
WCyberCIEGE
WFail2ban
WFreeLAN
WGigamon
WGoogle Safe Browsing
WHoneypot (computing)
WICMP hole punching
WINOC-DBA
WIpfirewall
WKaspersky Anti-Virus
WMetasploit Project
WNational Initiative for Cybersecurity Education
WNetsniff-ng
WNetwork enclave
WNetwork Security Toolkit
WOpen proxy
WOPNsense
WPacket analyzer
WPacketFence
WPort forwarding
WProxy list
WScreened subnet
WShadowsocks
WSoftEther VPN
WSSL-Explorer: Community Edition
WStorm botnet
WVirtual private network
WVyOS
WW3af
WWarchalking
WWardriving
WWireless security
WZ-Wave
WZeroTier
WZombie (computing)