Trojan Horse (Trojan)

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Trojan Horse (Trojan) is a type of malware disguised as a legitimate program or file. Once downloaded and opened, it creates a backdoor for attackers to steal data, control your device, or spy on your activity — all without your knowledge.

How it happens and red flags to look out for

  • Often disguised as an attachment like a PDF, software update or invoice, when you open it, It installs malware that steals login details and facilitates fraudulent payments without your knowledge.
  • Your device suddenly runs slow, crashes, or behaves oddly.
  • Unexpected pop-ups, redirects, or programs appear.
  • You notice unauthorized transactions or login attempt.

How to respond and protect yourself or organisation

  • Do not open suspicious attachments or downloads — even if they seem to come from someone you know.
  • Use antivirus software and keep it updated.
  • Implement cyber threat hunting tools to assist your organisation in detecting malware and other malicious applications.

Reporting options

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