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    • Scam Map
    • Kill Chain
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Technique

Credential Theft

Also known as: Password Theft, Credential Harvesting, Password Stealing, Login Theft, Account Credential Compromise

COMPROMISE

Obtaining login credentials through phishing, fake websites, keyloggers, data breaches, or social engineering tricks, allowing attackers to access victims' accounts and sensitive information.

Common attack flows

How it fits in a scam

This technique shows up duringCOMPROMISE

Before

  • Data Breach HarvestingTARGETING
  • Remote Access ToolPERSISTENCE
  • Fake E-commerce SiteDELIVERY
  • Malicious App InstallationCOMPROMISE
  • +15 more

After

  • Account TakeoverEXPLOITATION
  • Identity TheftEXPLOITATION

Defense

How to defend against this

How to spot it

  • Unexpected password reset emails you didn't request
  • Login alerts from unfamiliar devices or locations
  • Locked out of accounts without explanation
  • Browser warnings about compromised passwords (Chrome; Edge; Safari built-in alerts)
  • Breach notification alerts from services like Have I Been Pwned
  • Two-factor authentication prompts you didn't initiate
  • Unknown devices listed in your account security settings

Tools you can use

  • Multi-Factor AuthenticationCost low · Effect high
  • Password ManagerCost low · Effect high
  • Breach Monitoring ServiceCost low · Effect medium
  • Remote Wipe / Find My DeviceCost low · Effect high
  • Browser Security ExtensionCost low · Effect medium
  • Mobile Security AppCost low · Effect high

Seen in the wild

Where we’ve seen it

Commonly targets

  • Small Business Owner
  • Developer
  • Corporate Worker
  • Gamer

Further reading

  • Malwarebytes

    How credential stuffing works and prevention

  • CISA

    Phishing recognition guidance

  • FTC

    Consumer identity theft warning signs

  • Norton

    Compromised password detection

Related techniques

Same stage

  • SIM Swap
  • MFA Fatigue Attack
  • Clipboard Hijacking
  • Malicious App Installation
  • Overlay Attack
  • +9 more

Similar defense

  • Data Breach Harvesting
  • Doxing
  • Identity Theft
  • Malvertising
  • Sextortion
  • +15 more