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  1. Security+ (Plus) Certification | CompTIA

    Security+ validates the core skills required for a career in IT security and cybersecurity. Learn about the certification, available training and the exam.

  2. Windows Security: Defender Antivirus, SmartScreen, and More

    Protect your privacy, identity, and devices with Windows Security. Explore Windows 11 security features like Microsoft Defender Antivirus that help keep you and your PC safe.

  3. Security - Wikipedia

    Computer security, also known as cybersecurity or IT security, refers to the security of computing devices such as computers and smartphones, as well as computer networks such as private and …

  4. Download Free Antivirus | 360 Total Security

    360 Total Security is a free antivirus that offers a unified solution for PC security and utility. Download now to get the best optimization tools and total protection against virus, malware and other emerging …

  5. Avast | Download Free Antivirus & VPN | 100% Free & Easy

    Use Premium Security's advanced cyberthreat protection and our smart online privacy tool, Avast AntiTrack. Plus, get SecureLine VPN and Cleanup Premium, all in one bundle.

  6. Download Free Antivirus Software | Avast 2026 PC Protection

    Free antivirus software from Avast detects, blocks, and removes various types of malware: viruses, adware, spyware, Trojans, and more. You’ll also get security for your Wi-Fi network and real-time …

  7. Computer security - Wikipedia

    Although many aspects of computer security involve digital security, such as electronic passwords and encryption, physical security measures, such as metal locks, are still used to prevent unauthorized …

  8. Cybersecurity News, Insights and Analysis | SecurityWeek

    SecurityWeek provides cybersecurity news and information to global enterprises, with expert insights & analysis for IT security professionals

  9. SECURITY.COM

    Jun 11, 2026 · Another Year, Another Win: SE Labs® Recognizes Symantec® Endpoint Security Feature Stories 17 Jun 2026 4 Min Read

  10. Stay protected with the Windows Security app - Microsoft Support

    It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and other security threats.