Theft in cybersecurity covers stolen data, credentials, devices, and funds, often creating risks of unauthorized access, fraud, and privacy loss.
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Background for this topic.
Unauthorized taking or copying of information, credentials, intellectual property, or digital assets is cyber theft. News under this tag may involve stolen passwords, payment data, personal information, source code, cloud tokens, cryptocurrency, or sensitive business files. Theft can result from phishing, malware, compromised accounts, insider access, exposed storage, or the loss of an unencrypted device; the relevant issue is the unauthorized acquisition or control of an asset, whether or not the attacker also alters systems.
Security teams should identify where valuable data and credentials are stored, restrict access by role, require strong authentication, encrypt data at rest and in transit, and monitor unusual downloads or transfers. Vulnerability management matters when flaws expose databases, endpoints, or cloud services to unauthorized retrieval. After suspected theft, preserving logs, revoking tokens and credentials, determining what was accessed or copied, and assessing privacy or notification obligations are central to containing the incident and measuring its impact.
The Los Angeles Unified School District has confirmed a data breach after threat actors stole student and employee data by breaching the company's Snowflake account. [...]
UnitedHealth has confirmed for the first time what types of medical and patient data were stolen in the massive Change Healthcare ransomware attack, stating that data breach notifications will be mailed in July. [...]
A suspected Chinese threat actor tracked as UNC3886 uses publicly available open-source rootkits named 'Reptile' and 'Medusa' to remain hidden on VMware ESXi virtual machines, allowing them to conduct credential theft, command execution, and lateral movement. [...]
T-Mobile has denied it was breached or that source code was stolen after a threat actor claimed to be selling stolen data from the telecommunications company. [...]
Advance Auto Parts has confirmed it suffered a data breach after a threat actor attempted to sell stolen data on a hacking forum earlier this month. [...]
The Kraken crypto exchange disclosed today that alleged security researchers exploited a zero-day website bug to steal $3 million in cryptocurrency and then refused to return the funds. [...]
AMD is investigating whether it suffered a cyberattack after a threat actor put allegedly stolen data up for sale on a hacking forum, claiming it contains AMD employee information, financial documents, and confidential information. [...]
A scathing report by Australia's Information Commissioner details how misconfigurations and missed alerts allowed a hacker to breach Medibank and steal data from over 9 million people. [...]
Two men have pleaded guilty to hacking into a federal law enforcement database to steal personal information of those they were extorting. [...]
A group of suspected Chinese cyberespionage actors named 'Velvet Ant' are deploying custom malware on F5 BIG-IP appliances to gain a persistent connection to the internal network and steal data. [...]