Cybercrime

noun a system in which goods or services are bought and sold illegally, usually to avoid government regulations or taxes

• The government is cracking down on the black market for counterfeit goods.
• I heard you can get cheap electronics on the black market.
• Don't mess with the black market, it's too risky.
• His reputation on the black market of gossip was unmatched.

noun Interpol

• Interpol is an international organization that helps coordinate police efforts across different countries.
• Have you heard of Interpol? They're like the police but on a global scale.
• Interpol is like the super cops who work together with other countries' police forces.
• In the world of crime-fighting, Interpol is like the Avengers assembling to take down the bad guys.

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.