Internet Security: The Complete Manual — 26th Edition (2025)

Online security can feel like a moving target: threats have unfamiliar names, and the advice can quickly become technical. Internet Security: The Complete Manual takes a practical, reader-friendly route through the risks and the everyday steps that can help protect your computer, home network and personal information.

Beginning with the threats themselves, the manual explains topics such as malware, ransomware, phishing and social engineering before turning to protective measures. The emphasis is on making security issues easier to recognize and act on, rather than treating them as an abstract technical subject.

Recognize the risks behind the headlines

Early sections introduce common forms of attack, including viruses, Trojans, spyware, worms, pharming and deceptive messages delivered by email or phone. Understanding what these threats are—and how they may reach a user—gives readers a useful foundation for making safer choices online.

Practical protection for PCs and home networks

The manual moves from awareness to action with coverage of Windows security, antivirus and security packages, software updates, browser settings and home-network protection. It also explains wireless-security standards, encryption and VPNs, helping readers understand the purpose of these tools and where they fit into a personal security routine.

Safer habits across everyday services

Security does not stop at the computer. Later sections address Facebook, Twitter and WhatsApp, online shopping, password creation and password managers. There is also guidance for parents and guardians on helping children stay safer online.

A useful starting point for general readers

With accessible explanations, tutorials and curated lists of security products and tools, this edition is suited to readers who want a more confident grasp of consumer internet security. Its focus on practical protections makes it a handy guide for reviewing the habits and settings that help safeguard everyday digital life.