W
Worm
What it is A worm is malware that spreads by itself over the internet or your Wi-Fi. It doesn’t need you to open a file. It finds weak spots on devices and jumps to them, then keeps spreading. Some worms steal data, some slow your PC, and some bring ...
WHOIS
What it is WHOIS (pronounced “who is”) is a public lookup for domain names. Type a domain, and WHOIS tells you who owns it (or their registrar/proxy), when it was registered, when it expires, and where it’s hosted. It’s like a phone book for ...
WEP & WPA
What it is WEP and WPA are Wi-Fi security standards. WEP is the early, weak option that is easy to break. WPA and newer WPA2/WPA3 use stronger encryption to protect your Wi-Fi so others can’t read your traffic or hop on your network. More: ...
Web Protection
What it is Web protection is a bundle of tools and settings that keep you safer while you browse. It blocks dangerous sites and downloads, warns about fake logins, filters sketchy links, and helps keep your info private. It can run on your device ...
Web Cache Poisoning
What it is Web cache poisoning is when attackers sneak bad content into a website’s cache. The cache is a “shortcut” server use to make pages load faster for everyone. If it’s poisoned, later visitors get the attacker’s fake version instead of the ...
Watering Hole Attack
What it is A watering hole attack is when hackers booby-trap websites that a specific group visits a lot (staff pages, industry forums, local news). When someone from the target group opens the site, hidden code tries to infect their device or steal ...
Warm Boot
What it is A warm boot (soft boot) is a restart that brings your computer back to a clean state without fully powering off. In Windows, it’s the Restart option. It clears running apps and reloads the OS, which often fixes freezes or finishes setting ...
Warez
What it is Warez means pirated software - paid apps that have been copied and shared without permission. It’s not the same as freeware (always free) or shareware (free trial). Warez often comes with cracks or keygens that bypass licenses. Why it ...
Wacatac
What it is Wacatac is a broad label (often from Microsoft Defender) for Windows trojan/dropper malware. It typically arrives as a fake installer, attachment, or crack, then drops additional payloads like password stealers or ransomware. Many variants ...