security
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How Much Security Do You Really Need?
It’s easy to assume that more security software means more protection. In practice, the right amount of security depends on how a computer is…
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Antivirus and Antispyware: How They Protect You
Every computer connected to the internet is exposed to a steady stream of files, links, email attachments and downloads — and some of them…
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Security Update – 2019
Why This Year Was a Wake‑Up Call From the rapid spread of WannaCry and NotPetya ransomware to the explosion of illicit cryptocurrency miners, 2017…
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Introduction to Proxy Servers
Every device that talks to the internet needs an address that other computers can reply to. For your home or office, that’s your public…
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Introduction to Malicious Software
Malicious software — malware — is a business. The people behind it make money by stealing personal and financial information, holding files for ransom,…