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Microsoft Teams Bugs Let Attackers Impersonate Colleagues and Edit Messages Unnoticed

Microsoft Teams Bugs Let Attackers Impersonate Colleagues and Edit Messages Unnoticed

Cybersecurity researchers have disclosed details of four security flaws in Microsoft Teams that could have exposed users to serious impersonation and social engineering attacks. The vulnerabilities “allowed attackers to manipulate conversations, impersonate colleagues, and exploit notifications,” Check Point said in a report shared with The Hacker News. Following responsible disclosureRead More »Microsoft Teams Bugs Let Attackers Impersonate Colleagues and Edit Messages Unnoticed

SesameOp Malware Abuses OpenAI API 

A component of the newly discovered SesameOp backdoor uses the API to store and relay commands from the C&C server. The post SesameOp Malware Abuses OpenAI API  appeared first on SecurityWeek.

Bugcrowd Acquires Application Security Firm Mayhem

Bugcrowd said the acquisition of Mayhem has nearly doubled its valuation — previously reported at over $1 billion. The post Bugcrowd Acquires Application Security Firm Mayhem appeared first on SecurityWeek.

Apple Patches 19 WebKit Vulnerabilities 

Apple has released iOS 26.1 and macOS Tahoe 26.1 with patches for over 100 vulnerabilities, including critical flaws. The post Apple Patches 19 WebKit Vulnerabilities  appeared first on SecurityWeek.

Operation SkyCloak Deploys Tor-Enabled OpenSSH Backdoor Targeting Defense Sectors

Operation SkyCloak Deploys Tor-Enabled OpenSSH Backdoor Targeting Defense Sectors

Threat actors are leveraging weaponized attachments distributed via phishing emails to deliver malware likely targeting the defense sector in Russia and Belarus. According to multiple reports from Cyble and Seqrite Labs, the campaign is designed to deploy a persistent backdoor on compromised hosts that uses OpenSSH in conjunction with aRead More »Operation SkyCloak Deploys Tor-Enabled OpenSSH Backdoor Targeting Defense Sectors

Zscaler Acquires AI Security Company SPLX

SPLX red teaming, asset management, and threat inspection technology will enable Zscaler to expand its Zero Trust Exchange platform. The post Zscaler Acquires AI Security Company SPLX appeared first on SecurityWeek.

Google’s AI ‘Big Sleep’ Finds 5 New Vulnerabilities in Apple’s Safari WebKit

Google’s AI ‘Big Sleep’ Finds 5 New Vulnerabilities in Apple’s Safari WebKit

Google’s artificial intelligence (AI)-powered cybersecurity agent called Big Sleep has been credited by Apple for discovering as many as five different security flaws in the WebKit component used in its Safari web browser that, if successfully exploited, could result in a browser crash or memory corruption. The list of vulnerabilitiesRead More »Google’s AI ‘Big Sleep’ Finds 5 New Vulnerabilities in Apple’s Safari WebKit

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