Information Security

noun a government agency or department responsible for preventing or thwarting enemy espionage and intelligence activities

adjective relating to the activities of counterintelligence

• Counterintelligence is a crucial aspect of national security to protect against espionage.
• The counterintelligence team is always on the lookout for spies and infiltrators.
• The feds have some serious counterintelligence going on to catch those sneaky spies.
• In the game of espionage, counterintelligence is like playing chess to anticipate your opponent's moves.

noun the art of writing or solving codes or ciphers

• Cryptography is the science of secure communication in the presence of adversaries.
• I learned about cryptography in my computer science class.
• Cryptography is like secret codes for computers.
• In a world full of secrets, cryptography acts as a shield for sensitive information.

noun a type of malicious software designed to block access to a computer system or data until a sum of money is paid

• The company's computer systems were attacked by ransomware, causing a significant data breach.
• My friend's laptop got infected with ransomware and now he can't access any of his files.
• I heard that new ransomware is going around, so make sure to keep your antivirus software updated.
• Ransomware is like a digital hostage-taker, holding your data for ransom until you pay up.