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.
Cybersecurity Startup Exposed Lilli Using a Flaw as Old as the WebSecurity startup CodeWall disclosed this week that its autonomous AI agent breached McKinsey's internal AI platform Lilli in two hours on Feb. 28, accessing tens of millions of messages and hundreds of thousands of files through a basic, years-old database flaw.
Starbucks has disclosed a data breach affecting hundreds of employees after threat actors gained access to their Starbucks Partner Central accounts. [...]
Prompt like a hard-ass boss who won't tolerate failure and bots will find ways to breach policy AI agents work together to bypass security controls and stealthily steal sensitive data from within the enterprise systems in which they operate, according to tests carried out by frontier security lab Irregular.…
Still, out of an abundance of caution, Loblaw says it has automatically logged out all customers from their accounts. Account holders who need to access the company's digital services will have to log in again. [...]
Also, More ClickFix Attacks and Teen Booters Arrested in PolandThis week, Russian hackers targeted Signal and WhatsApp users, permit-fee phishing hit U.S. applicants, ClickFix on WordPress sites, Microsoft patched 80 bugs, a 14K-router botnet, Polish teens held over DDoS tools and Finland warned of Russian, Chinese espionage. North Korean IT workers for hire.
England Hockey, the governing body for field hockey in England, is investigating a potential data breach after the AiLock ransomware gang listed it as a victim on its data leak site. [...]
Tehran-Linked Handala Hackers Disrupt Medtech Giant Stryker, Claim Verifone BreachAs the United States and Israel continue their war with Iran, Tehran-linked hacking group Handala has entered the fray, claiming credit for wiping systems at medical technology firm Stryker, which confirmed the attack, as well as breaching payment device maker Verifone, which denied being breached.
Canadian business process outsourcing giant Telus Digital has confirmed it suffered a security incident after threat actors claimed to have stolen nearly 1 petabyte of data from the company in a multi-month breach. [...]
The most dangerous phishing campaigns aren’t just designed to fool employees. Many are designed to exhaust the analysts investigating them. When a phishing investigation takes 12 hours instead of five minutes, the outcome can shift from a contained incident to a breach
A threat actor known as UNC6426 leveraged keys stolen following the supply chain compromise of the nx npm package last year to completely breach a victim's cloud environment within a span of 72 hours
Scattered Spider walked into Snowflake environments at Ticketmaster, AT&T, and Santander using stolen credentials. No zero-days. No malware. Just accounts without MFA. Here is the attack chain, what to look for in your logs, and what to fix.
Cybersecurity researchers are calling attention to a new campaign where threat actors are abusing FortiGate Next-Generation Firewall (NGFW) appliances as entry points to breach victim networks. The activity involves the exploitation of recently disclosed security vulnerabilities or weak credentials to extract configuration files containing service account credentials and network topology
Ericsson data breach affects 15k employees/customers after third-party service provider compromise
Crooks used simple phone scam to compromise vendor account, spilling personal and financial data belonging to more than 15,000 people A voice-phishing scam targeting one of Ericsson's service providers has exposed the personal data of more than 15,000 individuals after attackers sweet-talked an employee into handing over access.…
Ericsson Inc., the U.S. subsidiary of Swedish networking and telecommunications giant Ericsson, says attackers have stolen data belonging to an undisclosed number of employees and customers after hacking one of its service providers. [...]
The North Korean threat actor known as UNC4899 is suspected to be behind a sophisticated cloud compromise campaign targeting a cryptocurrency organization in 2025 to steal millions of dollars in cryptocurrency
Password audits often focus on complexity rules but miss the accounts attackers actually target. Specops Software explains how breached passwords, orphaned users, and service accounts can leave organizations exposed. [...]
Billing services provider TriZetto Provider Solutions has begun notifying millions of patients about a data breach
PLUS: Europol takes down two crime gangs; LastPass users phished (again); Crooks increase crypto hauls; And more Infosec In Brief The FBI is investigating a breach of its systems which reportedly affected systems related to wiretapping and surveillance.…