Cybersecurity

2. Defensive computer technology, software or hardware-based, created and installed to keep hackers and malware out. The firewall filters interactions with a computer, allowing or denying entry, to keep systems secure.
5. Algorithmic technique utilized to change the contents of a file into something unreadable by anyone outside a specific chain of communication.
8. A type of hacker. Whitehat hackers use their skills for good, helping organizations test their cybersecurity measures and find vulnerabilities.

1. A type of hacker. A blackhat hacker is an individual that uses their skills to cause damage like breaking into a computer system and stealing confidential information.
3. Type of malware that prevents access to computer files. When a computer is infected with ransomware, the malicious software will encrypt files and request a ransom for decryption.
4. Computer systems that have been infected by malware. The malware then allows the hacker to connect infected computers creating a network. This network, instructed by the hacker, can be used to carry out malicious attacks.
6. Malware used to cause damage on personal computers, aimed at changing, erasing, or modifying data.
7. To protect digital data, a consistently updated copy of files should be stored safely offline, in case a system is hacked and data is encrypted or lost.