Firewalls are staples of enterprise security and they can be useful for individuals, too. A firewall blocks incoming connections, which in some cases may be needed to protect against rogue traffic from apps like BitTorrent clients. Firewall capabilities are built into Windows and macOS.

A firewall helps protect your computer from hackers who might try to gain access to crash it, delete information, or even steal passwords or other sensitive information. Software firewalls are widely recommended for single computers. The software is prepackaged on some operating systems or can be purchased for individual computers. For multiple networked computers, hardware […]

Make sure all of your computers and mobile devices are equipped with antivirus software, firewalls, web filters, and antispyware. This software should be updated regularly; outdated security software offers no defense against the latest threats. Set up automatic updates or at least manually apply each upgrade. Be sure this software is active whenever you download […]