Alternative apps to Microsoft Security Essentials:
  • 4.7
    15300 votes
    Malwarebytes 4.6.6.294
    Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective.
    • Freeware
    • Multiple OS
  • 4.3
    898 votes
    Microsoft Windows Defender Definition Update December 11, 2023
    Download the latest updates or definitions for your Microsoft Windows Defender security software
    • Freeware
    • Windows
  • 4.7
    350 votes
    360 Total Security 11.0.0.1061
    360 Total Security offers you complete protection against viruses and other new type of threats.
    • Freeware
    • Windows, macOS
  • 4.6
    476 votes
    Avast Free Antivirus 23.11.8635
    Avast is packed with the largest threat-detection network, machine-learning virus protection, easy password management and home network security that won't slow down your PC.
    • Freeware
    • Windows, macOS, Android
  • 4
    87 votes
    IObit Malware Fighter 11.0.0.1274
    Detects and removes the most complex and deepest spyware and malware
    • Freeware
    • Windows
  • 4.6
    176 votes
    Microsoft Windows Defender 4.7.209.0
    Free program that protects your computer against pop-ups, slow performance and security threats.
    • Freeware
    • Windows, Android
  • 4.7
    315 votes
    Baidu Antivirus 5.4.3.148966
    Baidu Antivirus is a ultra light weight, easy to use, extremely fast anti-virus program that protects your system from malware, viruses, spyware, adware and other malicious programs.
    • Freeware
    • Windows
  • 4.3
    16 votes
    Bitdefender Total Security 26.0.34.145
    Comprehensive protection against viruses, spyware, phishing and identity theft attacks, including file encryption, online backups and tools for optimizing system speed.
    • Free to Try
    • Windows