Security
CISA
Abbreviation for Cybersecurity and Infrastructure Security Agency
In short and in plain language
CISA is an agency of the United States.
It works on cyber security. It also guards key systems the country needs.
It puts out warnings and tips. For example, it keeps a list of weak spots that attackers are using right now.
Definition
CISA is the United States agency for cybersecurity and the protection of critical infrastructure. It publishes warnings and recommendations, for example a list of vulnerabilities that are being actively exploited.