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.
Fake AI-powered video generation tools are being used to distribute a new information-stealing malware family called 'Noodlophile,' under the guise of generated media content. [...]
Education giant Pearson suffered a cyberattack, allowing threat actors to steal corporate data and customer information, BleepingComputer has learned. [...]
Venture capital firm Insight Partners has confirmed that sensitive data for employees and limited partners was stolen in a January 2025 cyberattack. [...]
Since the start of the year, the Russian state-backed ColdRiver hacking group has been using new LostKeys malware to steal files in espionage attacks targeting Western governments, journalists, think tanks, and non-governmental organizations. [...]
PowerSchool is warning that the hacker behind its December cyberattack is now individually extorting schools, threatening to release the previously stolen student and teacher data if a ransom is not paid. [...]
A new phishing kit named 'CoGUI' sent over 580 million emails to targets between January and April 2025, aiming to steal account credentials and payment data. [...]
Passwords alone aren't cutting it—31% of breaches involve stolen credentials. Learn from Specops Software about how Universal 2nd Factor (U2F) and strong password policies can work together to keep your organization secure. [...]
The data-theft extortion group known as Luna Moth, aka Silent Ransom Group, has ramped up callback phishing campaigns in attacks on legal and financial institutions in the United States. [...]
The creators of StealC, a widely-used information stealer and malware downloader, have released its second major version, bringing multiple stealth and data theft enhancements. [...]