Theft in cybersecurity covers stolen data, credentials, devices, and funds, often creating risks of unauthorized access, fraud, and privacy loss.
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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.
Modern phishing attacks, including Device Code phishing, can undermine MFA protections and grant attackers access to corporate accounts without stealing passwords. This webinar explores how behavioral AI can help security teams detect compromised accounts faster and automate response workflows. [...]
24 Billion Records Left Open Online: Passwords, Emails, and Everything Else Exposed database with 24 Billion records revealed stolen credentials from infostealers, Telegram channels, and breach collections, risking account takeovers. Cybernews researchers found an exposed Elasticsearch cluster on June 12th containing 24 billion records and more than 8.3 terabytes of data. They triple-checked the numbers. […]
2023 LockBit Attack Affected Nearly 9M People, Including ChildrenMCNA Dental, one of the largest providers of U.S. government-sponsored dental benefits to children, has agreed to a proposed multimillion dollar settlement to resolve class action claims stemming from a 2023 LockBit ransomware attack and data theft that affected nearly 9 million people.
USB .lnk malware steals crypto via clipboard hijack, replaces wallet addresses, steals seed phrases, and screenshots. Microsoft Threat Intelligence has been tracking a clipboard-stealing malware (Clipper) campaign since February 2026 that targets cryptocurrency wallets. A clipper is a type of malicious software that monitors and manipulates your clipboard, the temporary memory where data is stored […]
Nintendo of America has confirmed to BleepingComputer that threat actors stole survey data from the third-party TinyPulse service used internally, but its systems were not compromised. [...]
Klue's Battlecards is now the third integrated application that has been compromised to steal customers' Salesforce data, and victims include Huntress, the cybersecurity vendor.
Threat actors targeting cryptocurrency wallets have been distributing clipboard-stealing malware with self-spreading capabilities and using the Tor network to conceal communication. [...]
CRM Data Theft Tied to OAuth Tokens Stolen From Third-Party Market Intelligence AppSalesforce disabled connections to its customer relationship management environment from third-party app Klue Battlecards as a response to a "security incident." Attackers breached Klue's platform, generated OAuth tokens for Salesforce and stole data, now being held to ransom.
Market intelligence platform Klue suffered a OAuth breach that enabled the "Icarus" threat actors to steal Salesforce CRM data from multiple organizations in an ongoing extortion campaign. [...]
Microsoft Threat Intelligence analyzed a cryptocurrency clipper campaign that combines clipboard theft, wallet replacement, Tor-based communications, and worm-like propagation. Beyond stealing cryptocurrency transactions, the malware establishes persistent access and enables follow-on activity through a lightweight backdoor capability. The post Crypto Clipper uses Tor and worm-like propagation for persistence and control appeared first on Microsoft Security Blog.
Why are you even reading this?! Rotate your passwords!!
GitBait phishing kit abuses GitHub Pages and the SheetBest API to steal Mexican banking credentials
Cybersecurity researchers have flagged a "coordinated malware campaign" on the JetBrains Marketplace that has published no less than 15 malicious plugins capable of exfiltrating artificial intelligence (AI) provider keys
Aikido Security has discovered at least 15 IDE plugins on the JetBrains Marketplace
FulcrumSec leaked data stolen from Novo Nordisk, claiming to have exfiltrated 1.3TB, including clinical records and AI research assets. On June 15, 2026, a data-theft extortion group calling itself FulcrumSec began leaking files from Novo Nordisk, the Danish maker of Ozempic and Wegovy, after the company refused a $25 million ransom demand. The attackers claimed […]
Cybercriminals hijacked Google Ads searches for popular AI developer tools to funnel over 2,000 victims toward malicious download pages before quietly moving their operation onto claude.ai's own platform, turning the trusted domain into a delivery mechanism for credential-stealing malware.
Threat Actor Silently Forwarded Sensitive Emails Matching Strategic TopicsGoogle says Chinese espionage group UNC6508 compromised REDCap environments at North American research institutions, deployed custom malware, stole credentials and covertly forwarded strategically relevant emails through abused compliance rules to support long-term intelligence collection.
Malware Targets Banks, Crypto Platforms and Social MediaNewly surfaced Android-based banking Trojan gives threat actors near-total control over infected devices, letting them steal user credentials for direct access to financial accounts, says researchers. Rokarolla tricks users into side-loading malicious versions of popular, high traffic apps.
At least 15 malicious plugins found on the JetBrains Marketplace were designed to steal AI API keys from developers. [...]
iRhythm disclosed a cyberattack via third-party apps where patient and proprietary data was stolen, followed by a ransom demand. iRhythm Technologies is a U.S.-based digital healthcare company specializing in remote cardiac monitoring and arrhythmia detection. Its best-known product is the Zio, a wearable patch that continuously records a patient’s heart rhythm for up to several […]