Select a theme from the list.
Insights

From our experts

Latest
Microsoft Expands AI-Led Security Hardening and Sets 2029 Quantum-Safe GoalGlobal CMS Exploitation Wave Plants Webshells on Business WebsitesExposed Attack Server Unmasks Three Microsoft 365 Phishing OperationsMicrosoft Prepares Windows Customers for a Faster Era of AI-Driven PatchingLaser Attack Exposes an Unpatchable Weakness in Tangem Crypto Wallet CardsGlobal CMS Exploitation Wave Puts Business Websites at Immediate RiskMacOS Malware 'Poseidon Stealer' Rebranded as 'Odyssey Stealer'CISA Warns of Critical Vulnerabilities in Mitsubishi Electric ICS HardwareAhold Delhaize Data Breach Exposes 2.2 Million Customers' InformationSwitzerland Mandates 24-Hour Cyberattack Reporting for Critical SectorsFTC to Distribute $25.5 Million to Victims of Tech Support ScamsMicrosoft to Deprecate Publisher by October 2026Microsoft Expands AI-Led Security Hardening and Sets 2029 Quantum-Safe GoalGlobal CMS Exploitation Wave Plants Webshells on Business WebsitesExposed Attack Server Unmasks Three Microsoft 365 Phishing OperationsMicrosoft Prepares Windows Customers for a Faster Era of AI-Driven PatchingLaser Attack Exposes an Unpatchable Weakness in Tangem Crypto Wallet CardsGlobal CMS Exploitation Wave Puts Business Websites at Immediate RiskMacOS Malware 'Poseidon Stealer' Rebranded as 'Odyssey Stealer'CISA Warns of Critical Vulnerabilities in Mitsubishi Electric ICS HardwareAhold Delhaize Data Breach Exposes 2.2 Million Customers' InformationSwitzerland Mandates 24-Hour Cyberattack Reporting for Critical SectorsFTC to Distribute $25.5 Million to Victims of Tech Support ScamsMicrosoft to Deprecate Publisher by October 2026
Security Insight

MacOS Malware 'Poseidon Stealer' Rebranded as 'Odyssey Stealer'

MacOS Malware 'Poseidon Stealer' Rebranded as 'Odyssey Stealer'
Photo by Ann H on Pexels

Security researchers have identified a rebranded version of the MacOS malware 'Poseidon Stealer,' now known as 'Odyssey Stealer.' This malware is distributed via malicious AppleScript and is designed to exfiltrate sensitive user data, including Keychain credentials and browser information.

Recent findings by security researchers have unveiled a rebranded iteration of the MacOS malware previously known as 'Poseidon Stealer.' The new variant, dubbed 'Odyssey Stealer,' is being disseminated through malicious AppleScript files and poses a significant threat to MacOS users by targeting and exfiltrating sensitive information.

Mechanism of Attack

'Odyssey Stealer' operates by embedding itself within seemingly legitimate applications or documents. Upon execution, it leverages AppleScript to gain unauthorized access to the system, subsequently extracting critical data such as Keychain credentials, browser histories, and other personal information. This data is then transmitted to remote servers controlled by the attackers.

Preventive Measures

To safeguard against this malware, users are advised to exercise caution when downloading and opening files from untrusted sources. Keeping the operating system and all installed applications up to date is crucial, as updates often include patches for known vulnerabilities. Additionally, employing reputable antivirus software and regularly monitoring system activity can aid in the early detection and prevention of such threats.

Expert Analysis

In my assessment, the emergence of 'Odyssey Stealer' underscores the evolving nature of cyber threats targeting MacOS platforms. Users must remain vigilant and adopt a multi-layered security approach to protect their systems and personal data. This includes not only technical defenses but also user education on recognizing and avoiding potential phishing and malware distribution tactics.

Talk to our team →

Latest

Microsoft Expands AI-Led Security Hardening and Sets 2029 Quantum-Safe GoalJul 13, 2026Global CMS Exploitation Wave Plants Webshells on Business WebsitesJul 13, 2026Exposed Attack Server Unmasks Three Microsoft 365 Phishing OperationsJul 13, 2026Microsoft Prepares Windows Customers for a Faster Era of AI-Driven PatchingJul 13, 2026Laser Attack Exposes an Unpatchable Weakness in Tangem Crypto Wallet CardsJul 13, 2026Global CMS Exploitation Wave Puts Business Websites at Immediate RiskJul 13, 2026

Most read

1Scattered Spider's Cyberattack on Marks & Spencer Exposes Retail Vulnerabilities2Global CMS Exploitation Wave Plants Webshells on Business Websites3Microsoft Expands AI-Led Security Hardening and Sets 2029 Quantum-Safe Goal4Exposed Attack Server Unmasks Three Microsoft 365 Phishing Operations5Microsoft Prepares Windows Customers for a Faster Era of AI-Driven Patching6Global CMS Exploitation Wave Puts Business Websites at Immediate Risk