The honest answer to “is business antivirus worth it over the consumer stuff” is: it depends on whether you’d notice an attack, and whether you could undo it. Modern consumer antivirus is genuinely good at blocking known malware. Where it differs from business EDR is what happens with threats nobody has seen before, and what you can do after something gets through.
Here’s the comparison without the marketing.
What consumer antivirus does well
Let’s be fair about this first, because the category gets unfairly dismissed.
Microsoft Defender — included with Windows, no cost, no install, and it scores well in independent testing. For a single home PC used carefully, it is a legitimate answer. Anyone telling you it’s worthless is selling something.
Bitdefender, Norton, McAfee, Malwarebytes — all block known malware effectively, and several include genuinely useful extras: password managers, VPNs, identity monitoring, web filtering. If what you want is one subscription covering a family’s laptops and phones with a simple interface, that’s exactly what they’re built for, and business EDR is a poor substitute.
Consumer products are also easy. No console, no 2FA requirement, no policy decisions. That has real value.
Where the categories genuinely diverge
1. Detecting things with no signature
Consumer AV leans heavily on knowing what bad looks like — signatures plus heuristics, updated constantly. That works well against malware already in circulation.
EDR watches process behaviour instead: what a program does once running. Ransomware doesn’t need a known signature to look like ransomware when it starts enumerating and encrypting files. This is the core technical difference, and it’s why EDR is the standard in businesses that have been attacked.
2. Undoing the damage
This is the capability I’d point to first. When SentinelOne mitigates a threat, it can roll the machine back to its state before the attack. Encrypted files come back.
Most consumer products remove the malware. They don’t restore what it did. The practical difference is your afternoon versus your week — and if you don’t have tested backups, potentially your business.
3. Knowing what happened
Consumer AV tells the person at the keyboard. If that’s you, fine. If it’s an employee who clicks “allow” and doesn’t mention it, you find out later.
EDR reports to a central console: every device, its status, the full story of an incident. That matters the moment you’re responsible for machines you don’t personally sit at.
4. Getting hands on a machine remotely
Business tooling includes remote shell for troubleshooting a device without walking to it. Consumer products don’t, because home users don’t need it.
5. Retention
Our sites keep 365 days of malicious-event data and 14 days of deep visibility telemetry. Consumer products generally keep a local log. If you ever need to answer “when did this start and what else did it touch,” that history is the only way.
Side by side
| Consumer AV | Business EDR | |
|---|---|---|
| Blocks known malware | Yes | Yes |
| Behavioural detection of novel threats | Limited | Core capability |
| Roll back an attack | Rarely | Yes (Windows only) |
| Central console for many devices | No | Yes |
| Remote troubleshooting | No | Yes |
| Extended forensic retention | No | Yes |
| Bundled VPN / password manager | Often | No |
| Setup difficulty | Trivial | Moderate (console, 2FA) |
| Typical cost | Low, per household | Per endpoint |
The honest recommendation
Stay on consumer AV — or just Defender — if you have one or two personal machines, no employees, and good backups. Spending more won’t make you meaningfully safer, and the extras in a consumer suite may be worth more to you than EDR features you’ll never open.
Move to EDR if any of these are true: you have employees using machines you don’t personally watch; a ransomware incident would stop you earning; you handle client data you’d have to disclose a breach about; or you’re already running backups and want protection at the same standard.
The thing that usually decides it isn’t the detection rate. It’s the second question: if something did get through tonight, would you know, and could you undo it?
What we charge
We sell SentinelOne at $7 per endpoint per month (Control) and $10 (Complete), no minimum, no contract — which puts real EDR within range of a business that would otherwise be stuck on consumer tooling. Full breakdown on the products page, and the tradeoffs — particularly that we don’t provide a monitored SOC — are spelled out in our pricing post and the service agreement.
If you read this and concluded Defender is fine for your situation: that’s a legitimate outcome, and we’d rather you reach it here than after paying us.