Respond to a compromised password like you are closing a chain reaction

Think in blast radius, not in isolated logins. Password-checkup tools are powerful because they convert vague anxiety into specific categories. An exposed password has likely appeared in a known leak. A reused password tells you the attacker may be able to jump across services. A weak password tells you future guessing risk remains high even if no public breach is known. That categorization suggests an order of operations. First, remove the exposed secret from the affected account. Second, search for anywhere the same or related password appears and replace those credentials too. Third, strengthen the surrounding controls, especially a second…

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