Cyber Safety · 55 sec
Password Reuse Creates a Domino Effect
One breached website can expose many of your accounts.
The useful idea
- Understand
Attackers collect stolen email-and-password pairs from breached services.
- Connect
Automated credential-stuffing attempts test those same pairs on email, shopping, and financial accounts.
- Apply
A unique password limits one breach to one account, especially when combined with multifactor authentication.
Why this matters
A low-value account can become the doorway to a much more important one.
Try this
Use a unique password for every important account.
Test your recall
What is the most useful next step for “Password Reuse Creates a Domino Effect”?
- Use a unique password for every important account. — correct
- Act immediately without checking context.
- Assume the first impression is complete.
A low-value account can become the doorway to a much more important one.