[INTERLOCK] – Ransomware Victim: City of Fort Smith Arkansas

Verification alert Listings attributed to INTERLOCK have been reported as including unverified or fabricated victim claims. Treat this post as unconfirmed until corroborated with independent evidence. See further information here: BankInfoSecurity

See further information here: BankInfoSecurity

NOTE: No files or stolen information are exfiltrated, downloaded, taken, hosted, seen, reposted, or disclosed by RedPacket Security. Any legal issues relating to the content should be directed at the attackers, not RedPacket Security. This blog is an editorial notice informing that a company has fallen victim to a ransomware attack. RedPacket Security is not affiliated with any ransomware threat actors or groups and will not host infringing content. The information on this page is automated and redacted whilst being scraped directly from the INTERLOCK Onion Dark Web Tor Blog page.

AI Generated Summary of the Ransomware Leak Page

On September 15, 2026, the ransomware group Interlock published a post claiming that the City of Fort Smith Arkansas, a government organization in the United States, had been compromised. Because no separate compromise date was provided, September 15, 2026, is treated as the post date. The group characterizes the incident as a major data leak involving more than 5.6 TB of allegedly stolen information. The post does not indicate that systems were encrypted and does not provide a ransom amount. According to the claim, the allegedly exposed material includes databases and documents associated with municipal operations, public safety, emergency communications, water and sewer infrastructure, information systems, law-enforcement activities, and emergency call records. Interlock further alleges that the data contains sensitive personal and law-enforcement information, including more than 100,000 Social Security numbers, investigative reports, police records, and files containing resident identifiers and details. The post also claims to include reports and data extracted from mobile devices, as well as information related to systems supporting critical municipal infrastructure. No screenshots or other images are identified on the leak page, and no ransom demand or publicly stated financial figure is provided.

On September 15, 2026, the ransomware group Interlock published a post claiming that the City of Fort Smith Arkansas, a government organization in the United States, had been compromised. Because no separate compromise date was provided, September 15, 2026, is treated as the post date. The group characterizes the incident as a major data leak involving more than 5.6 TB of allegedly stolen information. The post does not indicate that systems were encrypted and does not provide a ransom amount.

According to the claim, the allegedly exposed material includes databases and documents associated with municipal operations, public safety, emergency communications, water and sewer infrastructure, information systems, law-enforcement activities, and emergency call records. Interlock further alleges that the data contains sensitive personal and law-enforcement information, including more than 100,000 Social Security numbers, investigative reports, police records, and files containing resident identifiers and details. The post also claims to include reports and data extracted from mobile devices, as well as information related to systems supporting critical municipal infrastructure. No screenshots or other images are identified on the leak page, and no ransom demand or publicly stated financial figure is provided.

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