London Hydro Discloses Customer Data Breach: What Was Exposed & What To Do
The London Hydro Discloses Customer Data Breach (reported June 23, 2026) exposed names, addresses, email-addresses and phone-numbers belonging to roughly 170k people. If you have an account with them, your information may now be circulating on the open web and with data brokers. Here’s exactly what happened, how to check if you were affected, and what to do next.
What was exposed
- names
- addresses
- email-addresses
- phone-numbers
- account-information
How to check if you were affected
Run a free exposure scan with your email address. It matches you against known breach datasets and shows where your information has surfaced. Check if you’re exposed →
What to do if you were in the London Hydro Discloses Customer Data Breach
- Expect targeted phishing that references this breach — be skeptical of unexpected emails asking you to log in, verify, or pay.
- Watch for scam texts and SIM-swap attempts, and avoid using SMS as your only two-factor method where you can.
- Your physical address may be circulating — remove yourself from data-broker and people-search sites to lower your doxxing risk.
- Remove your personal information from data-broker sites so the leaked data can’t be combined against you — GalaxyWarden files those removals for you.
How this breach connects
Frequently asked questions
Was my data in the London Hydro Discloses Customer Data Breach breach?
The fastest way to know is a free exposure scan — it checks your email address against known breach data, including recent incidents like this one.
What information was exposed in the London Hydro Discloses Customer Data Breach?
The reported exposed data includes: names, addresses, email-addresses, phone-numbers, account-information.
What should I do after the London Hydro Discloses Customer Data Breach breach?
Change your password for that account and anywhere you reused it, turn on two-factor authentication, and remove your personal information from data-broker sites so it can’t be combined with the leaked data.
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