Malware
Infostealer
Information stealer
Software designed to steal passwords, cookies, bank details and other sensitive data.
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MIGHT YOU BE AFFECTED?
Turn knowledge into action.
How does this work?
It rapidly collects data from browsers, crypto wallets, messaging and other apps, then sends it out and may delete itself.
REAL-WORLD EXAMPLE
« Fake software steals browser cookies and lets an attacker take over already authenticated sessions. »
Typical sequence
- 1Run a malicious file
- 2Collect local secrets
- 3Exfiltrate and resell them or commit fraud
Warning signs
- Unknown logins despite an unchanged password
- Revoked sessions or cookies
- Alerts on several accounts
How to protect yourself
- Use a password manager and MFA
- Do not run pirated software
- Use endpoint detection and updates
If you think you are affected
From a clean device, change passwords, revoke all sessions and replace exposed keys or wallets. Treat the affected device as compromised until it is reinstalled.
Last updated: 6 September 2026