Keylogger definition

Software or hardware used to record (log) the keys being pressed on a keyboard, often without the user’s knowledge. While the technology itself is legal, most keyloggers are installed through malware to steal passwords and confidential information.

Real keylogger examples

2007-present: DarkHotel targets people over unsecured hotel Wi-Fi, using false security certificates to prompt victims to “update” their systems with a keylogger.

2015: Hackers stole up to 80 million records from Anthem, a US healthcare insurance firm, after using phishing emails to lure employees into downloading keyloggers.

Stopping a keylogger

• Use a password manager to avoid typing your passwords
• Use a reputable antivirus or special anti-keylogger software
• Update your software regularly, including your OS

Further reading