What is anti-malware?
Definition
Anti-malware is software that detects, blocks and removes malware, meaning code intended to harm a device or the data on it. It covers viruses, worms, spyware, ransomware and similar threats.
- Category
- Security
- Also called
- antimalware, anti malware software, anti-malware software
- Last updated
NIST defines malware as software or firmware intended to perform an unauthorized process that will have an adverse impact on the confidentiality, integrity or availability of a system. Anti-malware is the defensive tool: it scans files, apps and web traffic for known malicious code or suspicious behaviour, and then blocks it, quarantines it or removes it.
How it works
Most anti-malware tools use two methods together. Signature scanning compares files against a database of known malware. Behaviour monitoring watches what a program does, such as encrypting lots of files or logging keystrokes, and flags it even if it has never been seen before. Both rely on frequent updates, so an out-of-date tool misses newer threats.
Anti-malware vs. antivirus
The terms overlap a lot. "Antivirus" originally meant protection against computer viruses only. "Anti-malware" is the broader name for protection against all types of malicious software. Many products sold as antivirus today cover the whole range, so in practice they are the same job.
An example
You download a free PDF converter. It bundles spyware that records what you type. Anti-malware that checks the installer flags it before it runs, or catches the keylogger's behaviour afterwards and removes it.
What it won't do
Anti-malware doesn't stop you from handing over your password to a fake login page, and it doesn't remove your details from data brokers. It protects the device, not your exposure elsewhere. That's why phishing awareness and updates matter just as much.
How to protect yourself
- 1
Turn on built-in protection and keep it updated
Windows and macOS include malware protection. Leave automatic updates on for the operating system, browser and apps.
- 2
Install apps only from official stores
Downloads from unknown sites are the most common route for malware on personal devices.
- 3
Don't open unexpected attachments or links
Phishing emails and texts are a common way malware gets in.
- 4
Back up your files
A recent backup you keep offline lets you recover if malware such as ransomware locks your files.
See where your personal data is exposed
Serus finds it on data brokers and people-search sites and removes it.
Frequently asked
Is anti-malware the same as antivirus?
Mostly. Antivirus started as protection against viruses only, while anti-malware names protection against all malicious software. Most modern products cover both.
Do I need anti-malware on my phone?
Phones are safer when you install apps only from the official store and keep the system updated. Extra tools can add a scan, but the basics do most of the work.
Can anti-malware remove my personal data from the internet?
No. It protects your device from malicious code. Your address and phone number listed on people-search sites need a separate removal process.
Sources
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