Stay informed on the latest data breach incidents and security breaches. Protect your information with our up-to-date breach news and analysis.
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Background for this topic.
Breach means unauthorized access to a computer system or network that exposes or steals sensitive data like personal details, passwords, or proprietary information. Attackers often exploit software flaws, weak passwords, or social engineering to gain entry. Breaches can also result from insiders misusing access or accidental data exposure.
Understanding breaches is crucial because they reveal weaknesses in security controls and can lead to data theft or operational disruption. Effective defenses include promptly patching vulnerabilities, enforcing strong authentication, and segmenting networks to limit attacker movement. Detecting breaches quickly through monitoring and logging helps contain damage and guide targeted remediation efforts to secure affected systems and data.
Asahi Group Holdings, Japan's largest beer producer, has finished the investigation into the September cyberattack and found that the incident has impacted up to 1.9 million individuals. [...]
ChatGPT Maker Probes Third-Party Data Breach; OpenAI API Users' Information ExposedOpenAI has temporarily ceased use of Mixpanel after the analytics firm disclosed a breach affecting profile data of the artificial intelligence giant's API platform users. The company is notifying impacted organizations and watching for signs of data misuse.
The French Football Federation (FFF) disclosed a data breach on Friday after attackers used a compromised account to gain access to administrative management software used by football clubs. [...]
Crims claim to know which customers are marked 'vulnerable' British telco Brsk is investigating claims that it was attacked by cybercriminals who made off with more than 230,000 files.…
The personal data of over two million amateur football players registered in France could be exposed
ChatGPT maker places other vendors under review following breach OpenAI says API users may be affected by a recent breach at its former data analytics provider, Mixpanel.…
Also: npm Packages Infiltrated, FBI Issues Fraud Alert, Campbell's Soup Cans CISOThis week, a recently fixed Oracle flaw is being actively exploited, Shelly tackled Pro 4PM DoS bug, "Shai-Hulud 2.0" hit npm, the FBI warned of rising bank account takeover scams, regulators fined Comcast over a vendor breach, Iberia reported a supplier incident and Campbell's canned its CISO.
OpenAI is notifying some ChatGPT API customers that limited identifying information was exposed following a breach at its third-party analytics provider Mixpanel. [...]
The breach may have exposed OpenAI API customers’ data
Analysis of ICO records shows no surge in breaches during Q4 2024 with no seasonal spike in reported incidents
Maybe if your hand has 200+ fingers... Gainsight CEO Chuck Ganapathi downplayed the victim count related to his company's recent breach, saying he's only aware of "a handful of customers" who had their data affected after Salesforce flagged unusual activity involving Gainsight's connected app.…
Comcast will pay a $1.5 million fine to settle a Federal Communications Commission investigation into a February 2024 vendor data breach that exposed the personal information of nearly 275,000 customers. [...]
South Korea's financial sector has been targeted by what has been described as a sophisticated supply chain attack that led to the deployment of Qilin ransomware
The CEO of the customer support platform said “a handful of customers” saw their data exposed after the breach
Dartmouth College has disclosed a data breach after the Clop extortion gang leaked data allegedly stolen from the school's Oracle E-Business Suite servers on its dark web leak site. [...]
Mindpath Health Settles Claim for $3.5M; Delta Dental Notifies 146,000 of BreachEmail breaches continue to plague the healthcare sector, resulting in data compromises that often affect the sensitive information of scores of patients. Two recent incidents illustrate the risks email breaches pose to patients, and the potential legal fallout for providers.
The exploitation of CVE-2025-61757 follows a breach of Oracle Cloud earlier this year as well as a recent extortion campaign targeting Oracle E-Business Suite customers.
JP Morgan Chase, Citi and Morgan Stanley Among Banking Customers ImpactedMajor U.S. banks are assessing their exposure to a cybersecurity incident at real estate financial technology company SitusAMC, which disclosed Saturday that a breach may have affected client data. The New York firm uncovered the incident on Nov. 12.
SitusAMC, a company that provides back-end services for top banks and lenders, disclosed on Saturday a data breach it had discovered earlier this month that impacted customer data. [...]
Harvard University disclosed over the weekend that its Alumni Affairs and Development systems were compromised in a voice phishing attack, exposing the personal information of students, alumni, donors, staff, and faculty members. [...]