Kaspersky Small Office Security

Smart security that grows with your business

Everything your small business needs to stay secure, without complexity.
Choose the protection level that fits today and grows with you tomorrow.

Windows®
macOS®
Android™
iOS®

Essential Protection Your Basic protection

KasperskySmall Office Security

Windows®
macOS®
Android™
iOS®

File-, Web-, and Mail Threat Protection
Ransomware Protection
Vulnerability Scan
Mobile Device Protection

NEW!

Upgraded Protection Your Advanced Protection

KasperskySmall Office Security Premium

Windows®
macOS®
Android™
iOS®

File-, Web-, and Mail Threat Protection
Ransomware Protection
Vulnerability Scan
Mobile Device Protection
Installation Support
Remote IT Support
Expert Virus Check & Removal
Security Awareness

30-day money-back guarantee

We set the standard in small business antivirus

Our award-winning cybersecurity for small businesses is trusted by clients and tested by experts all over the world.

Absolute protection from RealWorld threats
Absolute protection from cryptors
The best protection from advanced threats
The best protection from RealWorld threats
The best resistance to false positives

Confidence built-in, from payment to protection

Protect your business confidently with secure checkout, instant access and 30-day peace of mind.

30-day money-back guarantee

Convenient payment options

Immediate download

Small businesses deserve big protection, and we deliver

Go beyond basic business antivirus with all-in-one protection built for individuals and growing businesses.

Maximum protection.
Minimal overhead.

All-in-one small business antivirus with advanced cybersecurity tools. No IT team, extra hardware, or admin needed.

Set up in minutes.
Stay protected for good.

Protect your business in minutes across every team member and device. Manage it all from one simple dashboard.

Enterprise-grade security.
Small business simplicity.

You get advanced security management software and expert support, minus the complexity or cost of a big IT setup.

Everything your business needs —
in one smart, secure solution

No more phishing links

Stay safe from fake links, shady sites, and sneaky scams, on any device. Our small business antivirus only connects you to what’s real and trusted.

Work from anywhere, securely

Your team’s on the move. Kaspersky Small Office Security protects every connection with built-in, private VPN, wherever they work from.

Your data, always protected

Even if files are deleted or a device goes missing, encrypted backups keep your business data secure and recoverable.

Comprehensive server protection

Server security protects websites, apps, and data on up to 5 devices, including 1 file server, with machine learning to detect and block threats fast.

Minimal impact on performance

Kaspersky Small Office Security works quietly and effectively in the background so your team can stay focused, fast, and productive.

Every device. Every person. Covered.

With Kaspersky Small Office Security, protecting your business is simple. From mobile to desktop, secure your whole team with one smart solution.

Click. Install. Protect. That’s it.

Fast deployment, flexible device support, and remote management all in one. Here's how easy it is to protect your business with us:

One simple link gives your team full small business antivirus protection
Works across all major devices — Windows, Mac, Android, iOS
Stay in control from anywhere, with centralized security management software

Built for Small Businesses like yours

Discover what some of our 220,000+ customers have to say about us

Best System Security

Kaspersky Small Office Security ensures our company has the best security on our system and machines. It works in the background and flags any potentially damaging files automatically. It is also very easy to run an individual PC scan for threats or complete a full system scan depending on the user’s needs.

5 out of 5 stars

Paddy W

Great with performance

Kaspersky Small Office Security works well for our home with an office and server. Performance hit is pretty much not noticed. Virus and malware detection is good, never had a problem. Kids gaming machine has never been compromised or had a game falsely flagged. UI is very easy to use. Features are intuitive and simple to navigate.

4 out of 5 stars

Mark

Trust to run my business

I use Kaspersky for my business computers. The software seems to be effective and doesn’t bog down my computer memory. It provides timely and relevant notifications of any potential (and real) security issues. I trust it for running my business and for my personal tasks.

5 out of 5 stars

Lindsey

Upgrade to Kaspersky Small Office Security Premium

Take everything included in Kaspersky Small Office Security and enhance it with additional support and protection with Kaspersky Small Office Security Premium.

Expert Installation Support
Get up and running quickly with guided setup from security experts. No IT team, no guesswork.
Premium Priority Support
Skip the queues with faster responses and direct access to security specialists when it matters most
Security Awareness Training
Help your team spot threats, avoid common mistakes, and reduce human-error incidents through practical cybersecurity awareness training.

Get the right cybersecurity solutions for your business

Compare Kaspersky’s security plans for business to help you choose the right product for your needs

	Best value KasperskySmall Office Security	KasperskySmall Office Security Premium	Kaspersky NextEDR Foundations

Manage protection
IT Specialists	Not required	Not required	Required

Time to control	‘Install & forget’	‘Install & forget’	~15 mins weekly
	Product features
Features overview
Anti-Virus Protection	feature is Included	feature is Included	feature is Included
Task optimisation	feature is Included	feature is Included	feature is Included
Digital hygiene tools	feature is Included	feature is Included	feature isn't included
Endpoint management	feature is Included	feature is Included	feature is Included
Advanced capabilities	feature is Included	feature is Included	feature is Included
Premium VPNOffer	feature is Included	feature is Included	feature isn't included
TrainingsOffer	feature isn't included	feature is Included	feature isn't included
IT SupportOffer	feature isn't included	feature is Included	feature isn't included

Already using a Kaspersky product?

Renew your subscription to ensure your business always remains protected from online threats. It’s never too early to renew!

Renew Now

Maximize your potential with time-limited offer

Gain full access to our security awareness and phishing simulator tools with Kaspersky Small Office Security Premium. This time-limited offer ends on September 30, 2026. For details, see the product configuration in the FAQ below.

Learn more

Frequently Asked Questions

Answers to some common questions our customers ask about Kaspersky Small Office Security

Security awareness training is available as part of KSOS Premium. It is provided through Kaspersky Automated Security Awareness Platform (KASAP). The training consists of short interactive modules on over 15 topics. The modules equip your employees with practical cyber safety skills to handle the most common human-related risks, including phishing, weak passwords, confidential data leaks, secure use of Artificial Intelligence and more.

Auto-renewal will extend your license automatically without you needing to lift a finger. Before your subscription expires, you will be charged a renewal fee to keep your protection going*. We’ll remind you about the upcoming payment beforehand via email. You can cancel auto-renewal at any time – in which case you’ll need to renew your license manually.

*Renewal prices are subject to change. Additional online offers and discounts may be available at the time of your renewal, which cannot be applied to your subscription. We will send you at least one email reminder to notify you of this. You will also receive, by email, confirmation of the renewal price you will pay and the duration of your new subscription before it is automatically renewed. You may be required to upgrade to the latest version of Kaspersky for free at this time.

What You Are Purchasing

Kaspersky Small Office Security
Security awareness training - Express Course
Remote IT Support

Early Adopter Premium Access (Promotional Offer)

Main Course
Phishing Simulations
Custom Course Uploads

This is a limited-time promotional benefit and will not form part of the standard product offering from your second subscription term onward.

What Happens at Renewal

Kaspersky Small Office Security
Security awareness training - Express Course
Remote IT Support

The promotional premium features (Main Course, Phishing Simulations, and Custom Course Uploads) will no longer be included in the base subscription. If you wish to continue using these features, you can subscribe separately to the Kaspersky Automated Security Awareness Platform: https://www.kaspersky.co.uk/small-to-medium-business-security/security-awareness-platform

Need help for the next step?

We’re here to help in any way that works best for you

Free Trial

Test drive Small Office Security for 30 days at no cost

Try now

Find a partner

Connect with an expert to help with installation, upgrades, or maintenance

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Contact Us

Leave your contact information to learn more about our products.

Contact now

System Requirements

Operating System

Windows®-based: Windows 11 / 10 / 8.1 / 8 / 7 SP1+
Mac®: macOS® 11 or higher
Mobile: Android™ 8+, iOS® 15 - 17

Technical Requirements

Internet connection
My Kaspersky account
3.5 GB free space, 1 GHz Processor, 2 GB Memory

Languages

English

Smart security that grows with your business

We set the standard in small business antivirus

Our award-winning cybersecurity for small businesses is trusted by clients and tested by experts all over the world.

Confidence built-in, from payment to protection

Protect your business confidently with secure checkout, instant access and 30-day peace of mind.

Small businesses deserve big protection, and we deliver

Go beyond basic business antivirus with all-in-one protection built for individuals and growing businesses.

Maximum protection. Minimal overhead.

Set up in minutes. Stay protected for good.

Enterprise-grade security. Small business simplicity.

Everything your business needs — in one smart, secure solution

Click. Install. Protect. That’s it.

One simple link gives your team full small business antivirus protection

Works across all major devices — Windows, Mac, Android, iOS

Stay in control from anywhere, with centralized security management software

Built for Small Businesses like yours

Discover what some of our 220,000+ customers have to say about us

Upgrade to Kaspersky Small Office Security Premium

Expert Installation Support

Premium Priority Support

Security Awareness Training