Skip to content
Back to Blog
high severity August 30, 2023 · 3 min read Unverified claim — what this is

annals.edu.sg Listed by lockbit3 Ransomware Group

If you are a customer of annals.edu.sg, here’s what is being claimed, and what it would mean for you.

annals.edu.sg was listed on LockBit's leak site. LockBit claims to have stolen internal data. This is the group's claim, not a confirmed finding.

annals.edu.sg Listed by lockbit3 Ransomware Group

Annals of Singapore was listed on the LockBit 3.0 leak site on August 30, 2023 after the ransomware group claimed to have exfiltrated internal files during a ransomware attack on the educational publisher.

Already exposed?
You can’t unleak data. You can take away what it’s worth.
A leaked record is where it starts, not where it ends. What turns it into your front door is the look-up sites publishing your address beside your name — and those are what an AI reads when somebody asks about you. The free scan shows you both. We write to 582 companies.
See what is exposed about you — free scan →
Not ready yet? Run a free breach check on this email
We’ll check it against 13.1B+ leaked records right now — no account needed. Continuous monitoring & alerts are part of Protection.

Reported Details from the Listing

The LockBit 3.0 leak site entry states that Annals Singapore suffered a ransomware incident in which attackers obtained internal files. The disclosure does not quantify the number of records affected, list specific data types beyond the general description of internal files, or reveal the exact date the intrusion occurred. The listing includes a countdown timer typical of the group’s extortion playbook, after which samples or additional data may be published if demands are not met. Public mirrors of the onion site, such as those aggregated on ransomware.live, preserve the original post and state the victim was added on August 30, 2023.

Why This Matters for You and Your Family

When an educational publisher like Annals of Singapore is hit, personal information tied to authors, reviewers, subscribers, and administrative staff can be exposed. Even though the exact contents remain undisclosed, internal files frequently contain names, email addresses, phone numbers, physical addresses, payment records, and correspondence that can be used to target you or members of your household. Internal files exfiltrated in such attacks often include contracts, tax forms, or student-related data if the organization handles academic publishing or training programs. Once that information leaves the company’s control, you lose the ability to limit how it circulates.

Doxxing and Identity-Chain Risks

Stolen internal files rarely stay isolated. Attackers or subsequent buyers can combine them with other breaches to build detailed profiles linking your professional identity at an academic publisher to personal email accounts, family addresses, and even children’s online activities. A single leaked correspondence can reveal usernames that are reused across gaming platforms or social media, creating a chain that leads to account takeovers, harassment, or identity theft. These linkages grow stronger over time as more breach data surfaces on underground forums.

LockBit 3.0 Track Record

Public reporting attributes the LockBit 3.0 variant to a ransomware operation that first appeared in 2019 and rebranded through successive versions. The group has targeted hospitals, manufacturers, financial firms, and educational institutions worldwide. Their typical playbook involves initial access through compromised credentials or vulnerable remote desktop services, followed by lateral movement, data exfiltration, and then dual extortion: demanding payment to prevent file encryption and a second payment to stop publication of stolen data. The August 30, 2023 listing of Annals Singapore fits this pattern of publicly naming victims who do not pay within the group’s deadline.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real-world identity that may have surfaced from this or connected breaches.
  • Rotate any password you used at Annals Singapore or related academic services and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure is caught and addressed in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts vulnerable to credential chaining from leaks like this one.
  • Let DoxxScan remediation specialists manage takedown requests for any exposed personal documents or broker listings tied to the incident.

The incident underscores that even specialized academic publishers can become links in larger identity-exposure chains that affect ordinary families. Starting proactive steps now limits how far the stolen internal files can travel. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts often targeted after credential leaks.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Check your exposure
annals.edu.sg is one listing. Your email is probably in others.
We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

By running your scan you agree to the Terms and Conditions and the Privacy Policy, and to GalaxyWarden emailing you the results of this scan.

Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed August 30, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
Share this Post on X Reddit Email