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Toast, Inc.
August 18, 2026
Toast identified unauthorized access to a limited number of files associated with the Cl0p campaign targeting PTC Windchill and FlexPLM environments. Toast stated that the files identified to date contained nonsensitive internal documents, that affected systems were isolated the same day the activity was detected, and that the incident was contained. No customer data was identified as affected.
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Koninklijke Philips N.V.
August 18, 2026
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[ ransomware, technology, healthcare ]
Philips identified and contained unauthorized activity affecting a specific enterprise server used to store internal data and isolated the affected server. Philips reported no impact to customer environments. In a September 14 update, Philips said incident-response activities were complete and investigation findings supported closure of the incident, while additional analysis of a subset of downloaded data remained ongoing. Cl0p claimed approximately 13.5 GB of drawings, diagrams, and blueprints.
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City of Fort Scott
August 18, 2026
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[ ransomware, government, technology ]
A ransomware attack detected on 18 Aug 2026 closed Fort Scott, Kansas, City Hall and forced the city network offline; IT staff restored systems within six days, with about a week of data lost on two machines. The attackers were not identified.
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Seyfarth Shaw LLP
August 18, 2026
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[ social, phishing, leak ]
Chicago law firm Seyfarth Shaw said an attacker posing as its IT help desk tricked an employee on Aug. 18, 2026, into emailing client documents with names and SSNs to an outside account. It says its network was not entered; it notified state AGs and offered credit monitoring.
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Undisclosed Mexican company
August 18, 2026
An unnamed Mexican company, in a case investigated by Kaspersky, had attackers inside its network for over a month who stole confidential, personal and strategic data, then printed ransom notes on its office printers demanding about US$5,000. Reported Aug 18, 2026.
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Undisclosed organization
August 18, 2026
An undisclosed organization had data exfiltrated to AWS cloud storage with s5cmd by a ransomware affiliate that also planted a backdoor account and Remotely RAT. GuidePoint, reporting in Aug 2026, tied the intruder with medium confidence to the 'Ransom Busters' extortion persona.
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Mutuelle générale de prévoyance
August 18, 2026
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[ financial, leak, healthcare ]
French mutual insurer Mutuelle gnrale de prvoyance (MGP) confirmed an intrusion via a third-party provider in August 2026; a hacker claim cited about 200,000 people and 133,000 IBANs. MGP could not confirm the scope, began notifying members Aug 17 and filed a complaint.
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Delek US Holdings, Inc.
August 19, 2026
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[ ransomware, leak, energy ]
Helix listed Delek US on its extortion site on August 19, 2026 and claimed possession of customer and employee information. DataBreach.com subsequently indexed 122,079 leaked records containing personal and contact information. Delek US has not publicly confirmed the incident, and no operational disruption has been independently established.
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Cambrian High School & College
August 19, 2026
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[ phishing, malware, education ]
Check Point Research confirmed by August 19 that the legitimate website of Cambrian High School & College in Bangladesh had been compromised and was hosting a malicious page at cambrianschoolbd.com/mail/. The page had displayed a fake Spotify-branded security-verification CAPTCHA and was flagged by multiple threat-intelligence sources as an information-stealer and malware-distribution site. The precise intrusion date, responsible actor, and duration of the compromise are unknown. The activity occurred in the context of broader financially motivated cybercriminal phishing and malware campaigns targeting the education sector, but no downstream visitor infection or credential theft was publicly confirmed.
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Maximum Rock Magazin
August 19, 2026
Check Point Research identified maximumrock.ro, operated by Maximum Rock Magazin, as a compromised WordPress domain used by the StopAndProtect operation. The attackers installed malicious WordPress components that could overlay legitimate site content with a fake CAPTCHA and use compromised websites to host malware, deliver payloads, communicate with infected devices, and store campaign data.
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Samagra Portal (Samagra Samajik Suraksha Mission, Government of Madhya Pradesh)
August 19, 2026
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[ hack, government, insider ]
Cyber police opened an investigation after officials discovered that a person's Samagra record had been updated even though authorized district-level officers had not made the change. Officials tightened portal security and referred the matter for investigation.
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PayUp
August 19, 2026
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[ ransomware, finance, technology ]
PayUp, an Austin, Texas fintech offering early vendor payments and invoice factoring to property managers, was listed on the Direwolf ransomware group's leak site on Aug 19, 2026, claiming stolen customer records. PayUp has not confirmed the claim.
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At least one undisclosed Stripe customer
August 20, 2026
HackRead identified 669 merchant folders, 1,033 exposed Stripe API keys, and 688,363 customer records in 33GB of data released by Satanic. The available evidence indicates Stripe itself was not breached and that the exposed credentials belonged to individual merchants. This row captures at least one undisclosed affected merchant.
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Undisclosed crates.io maintainer
August 20, 2026
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[ hack, leak, malware ]
On Aug 20, 2026, attackers hijacked a crates.io maintainer's account and published tampered versions of Rust crates arrayref, internment and append-only-vec carrying a credential- and wallet-stealing payload. Wiz linked it to North Korean actors; versions were removed.
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McKesson Corporation
August 21, 2026
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[ phishing, healthcare, leak ]
McKesson discovered the intrusion on August 25, 2026. ShinyHunters claimed it used voice phishing against employees to compromise Okta single-sign-on accounts and access Salesforce and Snowflake environments, with approximately 1 TB exfiltrated between August 21 and August 25. McKesson confirmed customer-data exfiltration from third-party applications but has not confirmed the claimed access method, volume, record count, or data categories. Company services remained operational.
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Interim HealthCare, Inc.
August 21, 2026
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[ ransomware, healthcare, financial ]
Anubis listed Interim HealthCare, Inc., the Sunrise, Florida-based corporate franchisor, on its extortion site in August 2026 and claimed theft of approximately 530 GB of corporate and franchise-related data. The group described the material as including franchisee financial information, internal and external audit records, operational discussions, and day-to-day business memoranda. Samples and stolen material were subsequently published, supporting that data acquisition occurred, although Interim HealthCare has not publicly confirmed the intrusion, its exact date, or the claimed 530 GB total. This appears separate from Genesis's claim involving Oklahoma and Tulsa franchise operations.
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Undisclosed U.S. individual
August 21, 2026
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[ social, finance, government ]
Scammers initially impersonated an American Express representative and then NYPD and FBI personnel, using transfers, real officer names and badge numbers, and a video call to build credibility. The victim ultimately provided personal identification information.
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The Revel Collective
August 21, 2026
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[ ransomware, leak, retail ]
The Revel Collective, a UK operator of bars and social venues, was listed on the Direwolf ransomware group's leak site on Aug 21, 2026, claiming about 700 GB of stolen data. The company has not publicly confirmed an incident or notified customers.
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tinyBuild, Inc. (Secret Neighbor)
August 22, 2026
An unidentified individual obtained administrator credentials for Secret Neighbor's backend systems on August 22, wiped player profiles, progression, and other in-game data, and carried out a coordinated attack against server systems and infrastructure across all supported platforms. The attacker threatened to continue unless the game was removed from sale. Hologryph and tinyBuild subsequently took the game offline as a containment measure and worked with PlayFab to recover deleted data. No personal information was reported compromised.
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ReliaQuest, LLC
August 22, 2026
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[ social, phishing, technology ]
ShinyHunters targeted ReliaQuest on August 22, 2026 using voice phishing, a lookalike single-sign-on page, and impersonation of a named ReliaQuest security employee. One employee entered a password and approved an MFA push, allowing the attacker to establish a temporary authenticated identity session and obtain view-only access to the employees Okta dashboard. Device-trust controls blocked every attempt to open business applications, and ReliaQuest terminated the session, expired the password, and reset authentication factors. ShinyHunters later posted screenshots from the identity dashboard, but no customer data or broader internal systems were accessed.
