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.
The latest incarnation of the notorious BreachForums hacking forum has suffered a data breach, with its user database table leaked online. [...]
Ministers promise equivalent standards just without the legal obligation ANALYSIS From May's cyberattack on the Legal Aid Agency to the Foreign Office breach months later, cyber incidents have become increasingly common in UK government.…
Staff Working on China, Intel, Military Oversight Targeted in Espionage OperationU.S. officials are probing a suspected Chinese cyber campaign tied to Salt Typhoon that breached congressional staff email systems supporting national security committees, exposing sensitive discussions and raising concerns about unclassified federal network defenses.
Mapping Platform Exposed Addresses and Medical Assistance PlansThe Illinois Department of Human Services is notifying more than 700,000 individuals of a breach involving "incorrect privacy settings" left in place for several year that exposed online data pertaining to Medicare, Medicaid and rehabilitation services recipients.
The Illinois Department of Human Services (IDHS), one of Illinois' largest state agencies, accidentally exposed the personal and health data of nearly 700,000 residents due to incorrect privacy settings. [...]
Also, Sedgwick Confirms Breach, Romanian Power Firm Hit, D-Link Flaws ExploitedThis week, Moody's said firewalls will be obsolete, Romanian critical infrastructure hacked, Sedgwick breach and a D-Link DSL flaw. Finland seized the Fitburg. Microsoft said Direct Send not to blame for Exchange phishing. Malicious Chrome extensions, European hotels targeted and health breaches.
A sophisticated threat actor that uses Linux-based malware to target telecommunications providers has recently broadened its operations to include organizations in Southeastern Europe. [...]
Also, Sedgwick Confirms Breach, Romanian Power Firm Hit, D-Link Flaws ExploitedThis week, Moody's said firewalls will be obsolete, Romanian critical infrastructure hacked, Sedgwick breach and a D-Link DSL flaw. Finland seized the Fitburg. Microsoft said Direct Send not to blame for Exchange phishing. Malicious Chrome extensions, European hotels targeted and health breaches.
Also: Unleash Protocol Hack, LastPass Breach Linked to Crypto TheftsThis week, an alleged fraud kingpin deported to China, Bitfinex hacker gained early release, Unleash Protocol's $3.9M hack, TRM tied crypto thefts to the LastPass breach, Trust Wallet's link to the Sha1-Hulud attack, Flow's NFT loan fallout, Ledger's data exposure and Kontigo reimbursements.
Two weeks, two major data leaks … not a good look for the European Space Agency exclusive The European Space Agency on Wednesday confirmed yet another massive security breach, and told The Register that the data thieves responsible will be subject to a criminal investigation. And this could be a biggie.…
An emerging threat actor that goes by "Zestix" used an assortment of infostealers to obtain credentials and breach file-sharing instances of approximately 50 enterprises.
A hacking collective claims it has disconnected customers of US ISP Brightspeed
Threat actor “Zestix” was able to breach around 50 firms using infostealers because they lacked multi-factor authentication
Crimson Collective claims 'sophisticated attack' that allows them to 'disconnect every user from their mobile service' Internet service provider Brightspeed confirmed that it's investigating criminals' claims that they stole more than a million customers' records and have listed them for sale for three bitcoin, or about $276,370. …
Why Are Third-Party Vendor Breaches So Hard to Figure Out?The victim tally of a 2024 hacking incident at medical services provider Conduent again soared after a new regulatory disclosure by the company, in this case to Texas authorities. The company told Lone Star state officials the breach affected nearly 14.8 million Texans, alone.
Claims administration and risk management company Sedgwick has confirmed that its federal contractor subsidiary, Sedgwick Government Solutions, was the victim of a security breach. [...]
Order and contact details accessed via ecommerce partner, and phishing has begun Blockchain security biz Ledger says customer information was accessed in a breach at its ecommerce payment partner Global-e, and is warning that other brands using the platform may also be affected.…
Brightspeed, one of the largest fiber broadband companies in the United States, is investigating security breach and data theft claims made by the Crimson Collective extortion gang. [...]
Critics of South Korea's Coupang Dismiss Offer as Marketing More Than CompensationAfter suffering a data breach that exposed personal data for two-thirds of South Korea' population, online retailer Coupang promised to distribute $1.2 billion in vouchers to "restore customer trust." But critics have accused the move of being more about marketing than true compensation.
Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.