Account Compromise Surged 389% in 2025, Says eSentire
An eSentire report showed credential theft accounted for 74% of all observed cyber threats in 2025
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.
An eSentire report showed credential theft accounted for 74% of all observed cyber threats in 2025
While ‘traditional’ ransomware attacks remain stable, some gangs are shifting towards exploiting zero-days and supply chains to go straight to stealing data
Phishing attacks have been identified using fake PayPal alerts to exploit remote monitoring and management tools
Cybersecurity researchers issue warning over a surge in attacks designed to trick Facebook users into handing over login credentials