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Victim Claim

Celeris Networks

Claimed by sinobi
Listed on leak site 05 May 2026
Reported attack date 05 May 2026
Group claims tracked 6
Unverified claim. This entry reproduces a listing published by the sinobi group on its own extortion site. Attackers routinely exaggerate or fabricate victims. Nothing here confirms that Celeris Networks suffered a breach, or what data was actually taken.

About the organisation

Celeris Networks is a business IT support provider based in Knoxville, specializing in managed IT services, cybersecurity solutions, and cloud managed services. The firm serves various industries, including accounting, distribution, legal services, nonprofits, and professional services. Composed of expert technology specialists, Celeris Networks aims to alleviate IT challenges and help local businesses maximize productivity. With a commitment to personalized service, they ensure that clients receive dedicated support tailored to their needs.

What the listing means

Celeris Networks appeared on the sinobi leak site on 05 May 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has not published new claims in the last 30 days.

Recommended actions

  • Treat any unsolicited message referencing Celeris Networks as suspicious — leaked data gets weaponised for phishing within days.
  • If you hold an account with this organisation, change the password now and enable two-factor authentication.
  • Other Technology organisations should review this group's known TTPs and validate detection coverage against them.
  • Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
  • A leak-site listing is a claim made by the attacker, not a confirmed breach — check the organisation's own disclosures before acting on it.

Leak-site evidence

Listing URL https://www.ransomware.live/id/Q2VsZXJpcyBOZXR3b3Jrc0BzaW5vYmk=

Show leak-site screenshot

Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.

Screenshot of the sinobi leak-site listing for Celeris Networks