Threats and defences.
MALWARE
Software intended to cause harm.
BACKDOOR
Code left behind allowing an attacker to return.
Why cleanups fail when only visible damage is removed.
PHISHING
Messages designed to capture credentials or deceive.
BRUTE FORCE
Repeated automated attempts to guess a password.
INJECTION
Inserting malicious content into a site through an input or vulnerability.
VULNERABILITY
A weakness that can be exploited, usually fixed by an update.
PATCH
An update fixing a vulnerability.
ZERO DAY
A vulnerability being exploited before a fix exists.
DDOS
An attack overwhelming a service with traffic.
DEFACEMENT
Replacing a site's visible content.
PENETRATION TESTING
Authorised testing to find weaknesses.
HARDENING
Reducing exposure by removing unnecessary features and restricting access.
WHAT PREVENTS MOST COMPROMISES
Updates, applied promptly.
