Extended Slovník

Glossary with extended content

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Z

Zero-day exploit

A cyberattack exploiting an unknown software vulnerability before the vendor can release a patch, leaving systems defenseless.

Zero-day vulnerability

A zero-day vulnerability is a software flaw unknown to the vendor or public, giving attackers zero days to exploit it before a fix is available, often leading to critical data breaches or system compromise.

Zero-tolerance policy

A strict cybersecurity approach mandating immediate and severe consequences for any deviation from established security rules, regardless of intent or perceived impact.

Zero-trust architecture

Zero-Trust Architecture (ZTA) is a cybersecurity model based on the principle of 'never trust, always verify,' requiring strict identity verification for every person and device attempting to access resources on a private network.

Zip bomb

A zip bomb is a malicious archive file designed to crash or render a system unusable when unpacked by expanding into an enormous amount of data that exhausts system resources.