Companies using Microsoft Security Essentials by Microsoft Corporation in 2025
As of 2025, 302 verified companies use Microsoft Security Essentials – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.
What is Microsoft Security Essentials by Microsoft Corporation?
Microsoft Security Essentials by Microsoft, a free antivirus software that provides real-time protection against viruses, spyware, and other malicious software. It’s designed to safeguard computers running Windows operating systems. It’s typically used across various industries and by individuals to protect their systems, especially in IT and general operations departments, against online threats.
Last updated date
Number of Companies using
302
The majority are based in the
United States
Most common industry?
Education
Microsoft Security Essentials’s sample user list in 2025
We have data on 302 companies that use Microsoft Security Essentials. Our Microsoft Security Essentials customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
Get a Free Sample of Companies that use Microsoft Security Essentials
We’ll send you a personalized preview of companies using Microsoft Security Essentials—tailored to your ideal customer profile. No fluff. Just verified data. And a chance to turn tech signals into pipeline.
Microsoft Security Essentials users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where Microsoft Security Essentials Shows Up Most
Microsoft Security Essentials is used across a wide range of sectors:
Education
Colleges & Universities
Manufacturing
Finance
Business Services
From lean startups to global enterprises, Microsoft Security Essentials’s footprint is wide, and that means opportunity.

Tech Stack Database
How It Works
It’s everything you wish outbound was—automated, precise, and scalable.
- Landbase finds and qualifies your ideal prospect data automatically
- Landbase deploys specialized AI agents to generate and run high-converting campaigns
- Landbase executes across all channels, handling all the technical complexity behind the scenes.
- Your pipeline fills up. You get to focus on strategy, not busywork.
Trusted by High-Performing GTM Teams
Join the teams using Landbase to:
- Eliminate manual prospecting
- Fill pipeline faster
- Win against competitors
- Built for SDRs, AEs, RevOps, and GTM Leaders
- Powered by AI. Delivered with Speed
FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is Microsoft Security Essentials?
Microsoft Security Essentials is a free antivirus software by Microsoft that provides real-time protection against viruses, spyware, and other malicious software for Windows operating systems.
How many companies are using Microsoft Security Essentials in 2025?
As of 2025, our data shows that 302 verified companies are using Microsoft Security Essentials.
Which industries are most commonly using Microsoft Security Essentials?
Microsoft Security Essentials is used across various industries, with education being one of the top users.
Which countries have the highest usage of Microsoft Security Essentials?
The United States has the highest usage of Microsoft Security Essentials, followed by Canada and the United Kingdom.
Is the data on companies using Microsoft Security Essentials verified?
Yes, the data provided is real and verified, helping you analyze the market, build target lists, or gain a sales advantage.