三井住友DS投信直販ネットのマイページにログインできない状況に、取引委託業者のシステムで不正アクセスを検知

Check whether your data has leaked

• Have I Been Pwned: check for free whether your email address is in past breaches (the FBI also contributes leaked passwords)
• Google Password Checkup: checks passwords saved in Google for leaks, reuse and weakness, and suggests changes

How to check, and what to do if your data leaked