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Cybersecurity Brief – 2025-10-09

Major Incidents or Breaches

  • Discord has confirmed a breach of its Zendesk support system, with threat actors claiming to have exfiltrated data on 5.5 million users, including government IDs and email addresses.
  • The Qilin ransomware group has claimed responsibility for an attack on Asahi brewery, leaking 27GB of data comprising contracts, employee information, and financial documents.
  • The Crimson Collective threat group has targeted AWS cloud environments for data theft and extortion, and is also reported to have breached the GitLab instance of Red Hat Consulting in collaboration with the Scattered Lapsus$ group.
  • The UK Metropolitan Police arrested two individuals in connection with a ransomware attack on a chain of London nurseries, which resulted in the doxing of children online.
  • Microsoft 365 services, including Teams and Exchange Online, experienced an outage, preventing user access.
  • DraftKings has alerted users to a credential stuffing attack leading to unauthorised access to user accounts and exposure of personal information.

Newly Discovered Vulnerabilities

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Cybersecurity Brief – 2025-10-08

Major Incidents or Breaches

  • Salesforce has confirmed a widespread data theft attack affecting its customers, stating it will not pay ransom to the threat actors. The ShinyHunters group is linked to the exfiltration of over a billion records from Salesforce customers and has launched a data leak site to extort victims.
  • Electronics distributor Avnet disclosed a data breach, noting that stolen data is unreadable without proprietary tools.
  • BK Technologies, a public safety communications firm, reported an IT intrusion and subsequent data theft.
  • CPAP Medical suffered a data breach exposing personal and health information of over 90,000 military patients, troops, veterans, and their families.
  • Discord has warned users of a third-party breach resulting in the theft of names, emails, limited billing information, and some government-ID images.
  • DraftKings notified customers of account breaches following a credential stuffing attack.
  • North Korean hackers have reportedly stolen over $2 billion in cryptocurrency assets in 2025, the largest annual total recorded.
  • Asahi brewery in Japan experienced a ransomware attack that disrupted domestic operations and led to a beer shortage.

Newly Discovered Vulnerabilities

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Cybersecurity Brief – 2025-10-07

Major Incidents or Breaches

  • Red Hat suffered a data breach, with the ShinyHunters extortion group leaking samples of stolen customer engagement reports (CERs) and threatening further exposure.
  • Discord disclosed that user information, including names, usernames, email addresses, contact details, IP addresses, and billing information, was compromised via a third-party data breach.
  • Doctors Imaging Group notified approximately 171,000 individuals of a cybersecurity incident that occurred nearly a year ago.
  • Beer giant Asahi reported a ransomware attack resulting in data theft and disruption to operations at its Japanese subsidiaries, forcing a shift to manual order processing and shipment.
  • Salesforce faced extortion attempts after data from dozens of customers was stolen; Salesforce stated these relate to past or unsubstantiated incidents, not new intrusions.

Newly Discovered Vulnerabilities

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Cybersecurity Brief – 2025-10-06

Major Incidents or Breaches

  • Oracle E-Business Suite (EBS) has been compromised via a critical zero-day vulnerability (CVE-2025-61882), enabling unauthenticated remote code execution. The Cl0p ransomware group actively exploited this flaw in recent data theft attacks, prompting Oracle to issue an emergency patch.
  • ParkMobile concluded a class action lawsuit related to its 2021 data breach affecting 22 million users. Victims are receiving a $1 compensation each as part of the settlement.

Newly Discovered Vulnerabilities

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Cybersecurity Brief – 2025-10-05

Major Incidents or Breaches

  • Discord disclosed a data breach resulting from the compromise of a third-party customer service provider. Attackers accessed support tickets containing partial payment information and personally identifiable information (PII), including names and government-issued IDs of some users.

Newly Discovered Vulnerabilities

  • Security researchers detailed a new attack technique named CometJacking, which targets Perplexity’s Comet AI browser. The attack involves embedding malicious prompts within links, potentially allowing threat actors to exfiltrate user data through a single click.

Notable Threat Actor Activity

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Cybersecurity Brief – 2025-10-04

Major Incidents or Breaches

  • Renault and Dacia UK notified customers of a data breach affecting sensitive information, resulting from a compromise at a third-party provider.
  • Japanese beer company Asahi confirmed a ransomware attack that caused IT disruptions and factory shutdowns.
  • ShinyHunters launched a new data leak site to extort 39 victims impacted by recent Salesforce breaches, leaking samples of stolen data. The Scattered Lapsus$ Hunters group also resurfaced with threats to publish Salesforce customer data if extortion demands are unmet.
  • Jaguar Land Rover experienced repeat cyberattacks, reportedly due to incomplete remediation from a previous breach, highlighting ongoing operational and financial impacts.
  • Hackers who targeted Kido nurseries with ransom demands and posted children’s data online have reportedly removed the data following public backlash.
  • Dutch authorities arrested two teenagers for alleged pro-Russian espionage, noted as part of a broader Russian hybrid attack campaign in Europe.

Newly Discovered Vulnerabilities

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Cybersecurity Brief – 2025-10-03

Major Incidents or Breaches

  • Red Hat has confirmed a breach of its private GitLab repositories, with a threat actor claiming compromise of 28,000 repositories, including data related to major clients. Red Hat has initiated remediation.
  • WestJet disclosed that 1.2 million individuals were impacted by a data breach resulting from a June cyberattack. Analysis of stolen information has been completed.
  • Dealership software provider Motility suffered a ransomware attack on August 19, impacting 766,000 individuals. Stolen data includes names, contact details, Social Security numbers, and driver’s license numbers.
  • Allianz Life reported a data breach in July affecting 1.5 million individuals, with hackers stealing files containing names, addresses, dates of birth, and Social Security numbers from a cloud-based CRM.
  • Cybercriminals have launched an extortion campaign targeting Oracle E-Business Suite customers, with executives receiving threats alleging theft of sensitive data. The campaign is possibly linked to Cl0p and FIN11 ransomware groups.

Newly Discovered Vulnerabilities

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Cybersecurity Brief – 2025-10-02

Major Incidents or Breaches

  • Motility Software Solutions suffered a ransomware attack exposing sensitive data of 766,000 dealership software clients.
  • WestJet confirmed that a cyberattack compromised personal information, including passport and ID documents, of 1.2 million customers.
  • Allianz Life announced that a July data breach impacted nearly 1.5 million individuals.
  • Adobe disclosed an ingestion bug in its Analytics platform that resulted in customer tracking data being exposed to other tenants for approximately one day.
  • Executives at multiple companies received extortion emails from the Clop ransomware group, claiming theft of sensitive data from Oracle E-Business Suite systems.
  • Unknown threat actors have exploited Milesight industrial cellular routers since at least February 2022 to send smishing SMS messages targeting European users.

Newly Discovered Vulnerabilities

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Cybersecurity Brief – 2025-10-01

Major Incidents or Breaches

  • UK law enforcement seized £5.5 billion (~$7.39 billion) in Bitcoin from a Chinese national convicted for involvement in a fraudulent cryptocurrency scheme, marking the world’s largest crypto asset seizure to date.
  • Canadian airline WestJet confirmed that a recent cyberattack compromised sensitive customer information, including passports and ID documents.
  • Beer producer Asahi suffered a cyberattack that disrupted production, order processing, shipments, and call centre operations in Japan.
  • Imgur has blocked UK users from accessing its platform after the UK data protection authority signalled a possible monetary penalty for non-compliance.
  • Interpol arrested 260 individuals involved in romance scams and sextortion, identifying 1,463 victims and $2.8 million in losses.

Newly Discovered Vulnerabilities

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Cybersecurity Brief – 2025-09-30

Major Incidents or Breaches

  • Harrods experienced a data breach via a compromised third-party supplier, resulting in the theft of 430,000 customer records containing sensitive e-commerce information.
  • Jaguar Land Rover (JLR) halted production following a catastrophic cyberattack impacting its supply chain; the UK government has provided a £1.5 billion loan guarantee to support recovery.
  • Asahi Group Holdings, Japan’s largest brewer, suspended operations due to a cyberattack disrupting multiple business functions.
  • RemoteCOM spyware breach exposed sensitive personal details of suspects (including sex offenders, terrorists, and drug dealers) and law enforcement personnel.
  • Stellantis, the automotive group owning Citroën, Fiat, and Peugeot, was among the organizations targeted in recent attacks, according to Check Point’s latest threat intelligence bulletin.

Newly Discovered Vulnerabilities

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