When companies are breached, criminals use stolen data to craft more convincing phishing attacks.
Why Breached Data Is Dangerous
Attackers may have:
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Your email
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Past passwords
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Address or phone number
This makes phishing emails feel personal.
Protection Steps
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Change breached passwords
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Use unique passwords
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Monitor for suspicious emails
For a full breakdown of how phishing works and how to protect yourself end-to-end, read our Email Phishing: Complete Guide to Prevention (2026).
Read next:
- How to create strong passwords that can't be cracked
- How to check if your email has been compromised
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