What is Zero Day Exploit? - Definition

A zero day exploit is a cyber attack that occurs on the same day a weakness is discovered in software. At that point, it's exploited before a fix becomes available from its creator.

Organizations at risk from such exploits can employ several means of detection, including using virtual local area networks (LANs) to protect transmitted data, by making use of a firewall, and using a secure Wi-Fi system to protect against wireless malware attacks. Also, individuals can minimize the risk by keeping their operating systems and software up to date or by using websites with SSL (Security Socket Layer), which secures information being sent between the user and the site.

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