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Hackers Leak Data on 40,000 US Homeland Security Employees

A hacktivist group published personal records for more than 40,000 US Department of Homeland Security staff. The leak exposes undercover agents and surveillance programs.

cybersecurity data breach
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The short version

  • More than 41,000 DHS employee and contractor records were published online under the title Icepick.
  • The leak includes names, job titles, work emails, phone numbers and office locations.
  • Data reveals access to tools such as Palantir's Falcon and Mobile Fortify facial recognition app.
  • Okta denies its systems were compromised despite claims by the hacking group.
  • Reuters verified details for six employees but could not confirm the entire trove.

Why it matters: The breach reveals internal organizational charts and access to sensitive investigative tools, raising immediate security concerns for federal personnel and ongoing operations.

On this page
  1. The short version
  2. Sources and further reading
  3. Frequently asked questions

A hacktivist group published personal records for more than 40,000 US Department of Homeland Security staff, exposing undercover agents and surveillance programs.

Calling itself Department of Peace, the group released the data online. Titled Icepick, the dump contains records for more than 41,000 employees and contractors.

The files list names and job titles. Work email addresses are included. Phone numbers and office locations appear in the records.

The department said it is addressing the situation and takes security threats seriously.

The leak covers about one-fifth of the DHS workforce. The agency employs 220,000 people.

Undercover staff are exposed, along with those in sensitive areas such as wiretapping. The interception of communications roles are also visible.

The leak is extraordinary but deceptive in its simplicity as it identifies the officials responsible for overseeing covert and undercover operations, the government’s hunt for leakers and the failed BlueLeaks investigation — along with key personnel in DHS’s ever-escalating rendition and deportation programs.

Emma Bestjournalist and DDoSecrets cofounder

The data shows which tools employees can access. Palantir's Falcon investigative platform is listed. PenLink is a phone and social media analysis tool. Mobile Fortify is a facial recognition app used by immigration agents.

AI platforms are also accessible to staff. These include OpenAI's ChatGPT. Google's Gemini and Microsoft's Copilot are listed.

The files detail specific communication programmes. They name the Communications Intercept Center TechOps (CICTO) Program and a Title III Intercept Program for wiretaps. The Illicit Sensor Intercept Program (ISIP) is also referenced.

Department of Peace claims the data came from an Okta system. DHS staff use this single sign-on service to log onto the central network.

Disputed entry point

Department of Peace claim

Source of breach

  • Data taken from Okta single sign-on system
  • Used by DHS staff for network login

Okta response

Security status

  • No evidence systems were compromised
  • No evidence data was compromised

We are aware of this report. Okta is secure, and we have no evidence our data or systems were compromised.

Okta spokespersonOkta spokesperson

Okta says its systems are secure. The vendor says there’s no evidence of a compromise.

Reuters matched personal information for six DHS employees against credit bureau records, which confirmed the details. Breach data from District 4 Labs also matched.

Three DHS employees confirmed their phone numbers and other details to reporters who called them directly. One employee said they had not previously heard about a breach.

Some data tracked information from LinkedIn profiles, while other parts revealed non-public internal organisation charts. The data also included previously undisclosed programmes, the department said.

By replacing the regime’s anonymity with accountability, Icepick and the tool developed by maia are catalyst for investigations, empowering journalists, Congressional inquiries, legal challenges, community action and Freedom of Information Act requests

Emma Bestjournalist and DDoSecrets cofounder

Ryan Shapiro of Property of the People commented on the release. He said contact details could help researchers submit targeted FOIA requests.

A threat intelligence expert warned of the risks, saying the data is an extraordinarily valuable intelligence resource if authentic. Adversaries could identify vulnerable personnel.

Ongoing investigations could be compromised, and leaked contact details might be used in phishing attacks. Agents could face physical danger.

Department of Peace said this was linked to a previous breach. The group claimed to have stolen thousands of government contracts earlier this year.

The group said in March it was responsible for hacking DHS. It posted documents related to contracts with outside vendors.

Other US government agencies have also faced attacks. FBI records were recently exposed, and military personnel data was also leaked.

In September, ShinyHunters said it had stolen FBI employee details. Personal details related to nearly every employee were taken.

In a month, this is the third major government data leak. The disclosures have featured prominently in headlines.

AgencyEstimated records
US Customs and Border ProtectionAround 21,000
Immigration and Customs EnforcementAround 10,000
US Citizenship and Immigration ServicesAround 6,200
Cybersecurity and Infrastructure Security AgencyJust under 1,000
DHS headquarters and othersThousands

What we know

  • More than 41,000 records were published.
  • DHS is aware of the potential breach.
  • Okta denies its systems were compromised.

Still unclear

  • Exact method of breach remains unconfirmed by DHS.
  • Full authenticity of the entire 40,000+ record trove is not yet verified.
  • Okta's involvement is disputed by the vendor.

Sources and further reading

  1. Hackers leak personnel data of 41,000+ Homeland Security staff, including ICE and border agents (opens in a new tab) Bitdefender
  2. Hacker leaks data on more than 40,000 Homeland Security employees (opens in a new tab) Securityaffairs
  3. Homeland Security Leak Exposes More Than 41,000 Employees (opens in a new tab) The New York Times
  4. Hackers Publish Work Details of 41,000 Homeland Security Employees (opens in a new tab) Decrypt
  5. Major US Homeland Security breach exposes details on 41,000 employees — undercover ICE agents and contractors unmasked in ‘Icepick’ data dump (opens in a new tab) Techradar
  6. Personal data of 40,000 U.S. Homeland Security employees leaked in security breach (opens in a new tab) CBC News

This article was prepared by the GlobePrism editorial team from the public reporting linked above. How we report

Frequently asked questions

How many DHS employees were affected by the leak?

More than 41,000 US Department of Homeland Security employees and contractors had their data published. This represents about one-fifth of the 220,000-strong workforce.

What type of information was leaked?

The records include names, job titles, work email addresses, phone numbers and office locations. The data also reveals access to specific surveillance tools and internal organisational charts.

Did Okta suffer a breach?

Department of Peace claims the data was taken from an Okta single sign-on system. Okta states it has no evidence its systems or data were compromised.

Has the data been verified?

Reuters matched personal information for six employees to credit bureau records. Reporters also confirmed details with three employees directly, but the full trove remains unverified.

What surveillance tools were exposed?

The leak reveals access to Palantir's Falcon, PenLink, Mobile Fortify, and AI platforms including ChatGPT, Gemini and Copilot. It also references wiretap and sensor intercept programmes.