Cybersecurity Glossary

Browse cybersecurity terms, acronyms, and vulnerability language including CVE, zero-day, ransomware, phishing, and threat intelligence.

Definitions for common cybersecurity concepts, incident response language, vulnerability tracking terms, and threat intelligence terminology.

CVE

Common Vulnerabilities and Exposures: a standardized identifier used to track publicly disclosed security flaws.

Zero-Day

A vulnerability exploited before a vendor patch or official mitigation is available.

Ransomware

Malware that encrypts systems or data and demands payment for recovery.

Phishing

A social engineering attack that tricks users into revealing credentials or installing malware.

Threat Intelligence

Contextual information about adversaries, campaigns, and indicators used to improve security decisions.

KEV

Known Exploited Vulnerabilities: a catalog of vulnerabilities confirmed to be exploited in the wild.