Health, fitness & DNA

Ancestry account hacked? Here’s what to do

Move fast and in the right order: reclaim the account through Ancestry’s official flow, kick the attacker out of every session, then close the door they came through — usually a password that leaked in a breach and was reused.

ByNikita Lushpanov· Chief Product Officer ·LinkedIn
Quick answer

If your Ancestry account was hacked: start recovery at the official page (support.ancestry.com/s/), change the password to a unique one, sign out all other sessions, and re-check the recovery email and phone on the account. Then find out how the attacker got in — check whether your password appears in known breach data — and turn on two-factor authentication so it can’t happen again.

Recover your Ancestry account, step by step

These steps follow Ancestry’s official process. Official links only: account recovery.

1

Reset the password (unique) from the login screen.

2

Enable two-step verification.

3

Review DNA sharing/matching settings and tree access permissions.

4

Open the sharing list on each tree, remove invitees you do not recognise, and set any tree the attacker made public back to private.

5

Tell the relatives linked to your matches that the account was compromised, so a message quoting real family details does not catch them out.

6

Watch for targeted phishing referencing real family details.

What trips people up with Ancestry

  • Ancestry holds family trees, records and DNA results - deeply personal, permanent data. Credential stuffing is the usual entry, so use a unique password and turn on 2FA.
  • After recovery, review DNA match/sharing settings and who has access to your trees; assume anything viewable was seen.
  • Sharing survives a password reset. Anyone invited to a tree as an editor or contributor keeps that access after you change the login, and a tree switched to public stays public - open the sharing list on every tree, remove invitees you do not recognise, and put the privacy setting back.
  • The damage does not stop at your own record: a takeover exposes the DNA matches and living relatives attached to your account, people who never had a say in it. That is the part worth telling your family about, because the phishing that follows will quote real names and dates.
  • Downloading your raw DNA data and deleting it are two different actions, and only one of them can be undone. If a takeover makes you want the data gone, save your own copy first - deletion is permanent, and disposing of the stored sample is a separate request again.

Was Ancestry hacked? What actually happened

Ancestry has never disclosed a break-in at Ancestry.com itself, and no leak of its DNA results has been made public. The incident people are searching for is a different one: in December 2017 the company said a file holding roughly 300,000 credentials from RootsWeb - the free, community-run genealogy site it hosts separately - had been found sitting on a server outside its systems. The credentials dated back to 2015, and Ancestry said the file did not contain Ancestry.com accounts, family trees or DNA data.

That distinction matters less than it sounds. RootsWeb ran on volunteer surname lists and message boards, and plenty of the people on it had reused the same email and password on their main Ancestry login. Attackers do not care which site a password came from - they replay it everywhere, which is why a file dated 2015 still produces account takeovers today. Our catalogue records the exposure as roughly 297,800 accounts with email addresses and passwords, dated November 2015 and made public in December 2017.

The genuinely alarming genealogy story of recent years was not Ancestry at all: in late 2023 a rival consumer-DNA service was raided through reused passwords, and the attackers pivoted from a handful of compromised logins into the relative-matching feature to reach millions of profiles. Nothing there was a flaw in the DNA science - it was password reuse plus a sharing feature working as designed. If you are worried about your Ancestry account, that is the shape of the risk worth planning for.

What was exposed in the Ancestry incident →

Still logged in? Lock the account down now

If you can still get in, you're racing the attacker. In this order: change the password to a long, unique one; sign out all other sessions/devices (the setting exists in Ancestry's security settings); confirm the recovery email and phone number are yours (attackers quietly add their own so they can "recover" the account later); remove unfamiliar linked apps or API access; and turn on two-factor authentication. Only then deal with anything the attacker posted, sent or bought.

Locked out of Ancestry — email or phone was changed

This is the worst-case scenario and the most common complaint: the attacker changed the account email, phone number or password so the normal reset flow emails them, not you. Do NOT keep triggering password resets — they go to the hacker. Go straight to Ancestry's dedicated recovery flow (link above), which is built for exactly this case: it verifies you by your original signup details, previous passwords, linked devices or a government ID / selfie check, bypassing the stolen email. Watch for the security notice Ancestry sent to your OLD email when the address was changed — it usually contains a "revert this change" link that works for a limited time and is the fastest way back in.

Got a "new login" alert from Ancestry?

Treat it as real but verify it the safe way: never tap the link in the message itself (fake login alerts are a top phishing template for Ancestry). Open the app or type the address yourself, check the active-sessions list in security settings, and if you see a device or location you don't recognize, sign it out and change your password immediately. If the alert was genuine, that password is burned — assume it's circulating and change it everywhere else you reused it.

Lost your 2FA device or codes

If you changed phones or lost access to your authenticator, use the backup codes you saved when enabling 2FA — that's exactly what they're for. No backup codes? Ancestry's account-recovery flow (link above) can verify you through other signals — original signup details, linked email, purchase history or ID verification — but it's deliberately slow, since the same door would otherwise let attackers in. Start the process immediately and respond fast to any follow-up; recovery requests that go quiet get closed.

Why this happened — and how to make sure it can’t again

About a third of account takeovers are credential stuffing: a password you used on Ancestry (or the email behind it) leaked in some other company’s breach, and attackers replayed it here automatically. The FBI’s IC3 logged over 5,100 account-takeover complaints with $262M in losses in 2025 alone (IC3). Ancestry itself has appeared in known breach data — see the Ancestry exposure for what leaked and when.

So after recovery, check what’s already out there: our free scanner shows which known breaches and dark-web dumps include your email — and whether passwords were exposed with it.

Check my exposure — free →

After you recover: three doors to close

  1. Unique password + 2FA. A password manager plus app-based two-factor stops both stuffing and phishing replays.
  2. Reset everywhere you reused that password — email first (it’s the master key), then bank, then the rest.
  3. Shrink your public footprint. Attackers research targets on data-broker sites (your address, phone, relatives — enough to social-engineer support lines). Our free opt-out guide covers 190 of them, step by step.
Common questions

Hacked Ancestry account, answered

How did my Ancestry account get hacked?

The most common cause isn't a hack of Ancestry itself — it's credential stuffing: a password you used on Ancestry leaked from some other site's breach, and attackers tried it here automatically. Roughly a third of account takeovers happen this way, with phishing (fake Ancestry login pages and alerts) close behind. That's why the first fix is a unique password, not just a new one.

Can I get my Ancestry account back?

Usually yes. Use the official recovery flow (https://support.ancestry.com/s/) — it can verify you even when the attacker changed the email and password. Be patient and respond quickly to follow-ups so the case stays open.

Should I just make a new Ancestry account instead?

Not until you've tried recovery. The old account keeps your history and contacts — and while the attacker controls it, it will be used to scam people who trust you. Recover it, or at minimum report it as compromised so Ancestry can lock it, before you start over.

Was there an Ancestry data breach?

Not of Ancestry.com. In December 2017 Ancestry disclosed that a file of roughly 300,000 credentials from RootsWeb, the community genealogy site it hosts, had been found on a server outside its systems; the data dated to 2015 and the company said Ancestry.com accounts, family trees and DNA results were not part of it. Because a lot of people used the same password on both, those credentials still feed account takeovers years later.

Was my Ancestry DNA data leaked?

No public leak of Ancestry DNA results has been disclosed. What exposes your genetic information is your own account being taken over, because DNA matches, ethnicity estimates and the relatives linked to you are all readable from inside it. That is an access problem rather than a database problem, and a unique password plus two-step verification closes it.

How do I know if someone accessed my Ancestry account?

Sign in and check three things rather than one: the sign-in notifications Ancestry emails you, the sharing list on every tree you own (invitees survive a password change), and your DNA match and sharing settings. Someone who wanted your family data did not need to break anything - look at what is visible, not only at what stopped working.

Can I delete my Ancestry DNA data after a hack?

Yes, and it is several separate actions with very different consequences. Downloading your raw DNA file keeps your own copy; deleting the results from Ancestry is permanent and cannot be undone; disposing of the stored physical sample is a third request again. Save the download first if there is any chance you will want the data back.

Why am I getting phishing that mentions my real relatives?

Because a takeover of a genealogy account hands over exactly the details that make a scam believable - real names, real dates, real family connections. Messages quoting a genuine relative are the usual follow-up. Tell the people in your matches that the account was compromised, so a note using their real name does not catch them out.

How do I stop my Ancestry account being hacked again?

Three things close most of the doors: a unique password (a manager makes this painless), app-based two-factor authentication, and shrinking your exposed footprint — checking your email against known breach databases and removing your personal data from data-broker sites that attackers use to research targets.