Cybersecurity

What Is Antivirus?

Understand traditional antivirus, modern endpoint protection, EDR, MDR, and the limits of each layer.

Part of the Cybersecurity Learning Center

Antivirus detects and blocks known malicious software. Modern endpoint platforms add behavior analysis, isolation, investigation, and response capabilities.

Why it matters

What business leaders should understand

Traditional antivirus is useful but cannot address every credential-based, fileless, or hands-on-keyboard attack. Businesses need monitored endpoint security as part of a broader program.

The right response should reflect your environment, data, vendors, risk, and operational priorities. Use this guide as a practical starting point, then validate important decisions with the people responsible for your technology, cybersecurity, legal obligations, and insurance coverage.

Learn how Meta IT Pro can help with cybersecurity services.

Practical action plan

Steps your business can take

01

Confirm every supported endpoint is enrolled, healthy, updating, and tamper protected.

02

Use EDR or MDR where business risk warrants investigation and response capability.

03

Restrict administrator privileges and keep operating systems and applications patched.

04

Integrate endpoint alerts with identity, email, network, and incident-response processes.

Warning signs

Do not ignore these indicators

  • Devices disappear from the security console or stop checking in
  • Users can disable protection without approval
  • Alerts remain unresolved because no one owns investigation

How Meta IT Pro can help

Related services and practical next steps

Explore the services connected to this topic. These links provide more detail about scope, safeguards, support, and how to start a conversation with our team.

Need help with your IT solution?

Get practical guidance from a local IT and cybersecurity team.

Meta IT Pro helps Massachusetts and Rhode Island businesses improve support, security, Microsoft 365, Google Workspace, networks, backup, recovery, and compliance readiness. Tell us what is not working - or what you want to improve - and we will help identify a sensible next step.