Fictional company logo

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.

https://www.microsoft.com

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

August 17, 2025

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

Company Name

Country

Industry

Employees

Revenue

Product

Amazon

United States flag
United States

Apparel & Accessories Retail

1556000

$650.3B

Microsoft Security Essentials

Microsoft

United States flag
United States

Database & File Management Software

228000

$270B

Microsoft Security Essentials

CVS Health

United States flag
United States

Drug Stores & Pharmacies

219000

$379B

Microsoft Security Essentials

Samsung

South Korea

Telecommunication Equipment

267860

$203.4B

Microsoft Security Essentials

Wells Fargo

United States flag
United States

Banking

215332

$82.3B

Microsoft Security Essentials

AT&T

United States flag
United States

Telephony & Wireless

139970

$122.9B

Microsoft Security Essentials

City of New York

United States flag
United States

Local

329393

$112.4B

Microsoft Security Essentials

Deloitte

United Kingdom flag
United Kingdom

Accounting Services

459820

$67.2B

Microsoft Security Essentials

The Walt Disney Co

United States flag
United States

Holding Companies & Conglomerates

173250

$89.2B

Microsoft Security Essentials

Ericsson

Sweden flag
Sweden

Telephony & Wireless

97985

$24.1B

Microsoft Security Essentials

Showing 10 of 302 results

Page 1 of 31

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

United States flag
United States
Canada flag
Canada

2.6K Companies

United Kingdom flag
United Kingdom

2.6K Companies

Switzerland flag
Switzerland

2.6K Companies

Italy flag
Italy

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.

sectors

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

This data is updated on August 17, 2025

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.

As of 2025, our data shows that 302 verified companies are using Microsoft Security Essentials.

Microsoft Security Essentials is used across various industries, with education being one of the top users.

The United States has the highest usage of Microsoft Security Essentials, followed by Canada and the United Kingdom.

Yes, the data provided is real and verified, helping you analyze the market, build target lists, or gain a sales advantage.