A widespread SMS pumping campaign has been identified, targeting customer sign-up pages. The attackers, designated as O-UNC-036, use disposable email infrastructure and proxy services to launch high-volume, automated attacks against public API endpoints. Their objective is to create numerous accounts and trigger SMS messages to actor-controlled phone numbers, generating significant financial costs for target organizations. The attack pattern involves reconnaissance, infrastructure setup, and high-volume requests using known high-cost phone country codes. The campaign has been active since at least March 2024, affecting multiple tenants and organizations. Recommended protective measures include implementing FIDO Authentication, blocking suspicious domains and ASNs, and enhancing monitoring and response capabilities.
Starbucks said the incident involved phishing attacks targeting an employee portal, affecting hundreds. The post Starbucks Data Breach Impacts Employees appeared first on SecurityWeek .
Huntress SOC analysts have uncovered sophisticated data exfiltration techniques employed by threat actors. The analysis reveals the use of various tools for data staging, including WinZip, 7Zip, and Windows' native tar.exe. Exfiltration methods observed include the use of finger.exe and backup utilities like restic, BackBlaze, and s5cmd. A specific incident on February 25, 2026, involved INC ransomware deployment, with the threat actor using PSEXEC for privilege escalation and creating a scheduled task to run a malicious PowerShell script. The actor utilized the Restic backup utility, renamed as winupdate.exe, to exfiltrate data. Similar tactics were observed in a previous incident on February 9, suggesting a pattern in the threat actor's methodology.
Google paid over $3.7 million for Chrome vulnerabilities, and more than $3.5 million for cloud security defects. The post Google Paid Out $17 Million in Bug Bounty Rewards in 2025 appeared first on SecurityWeek .
Evidence indicates that the attackers leveraged existing endpoint management software rather than malware to wipe devices. The post Iran-Linked Hacker Attack on Stryker Disrupted Manufacturing and Shipping appeared first on SecurityWeek .
Law enforcement agencies in the US and Europe targeted the cybercrime service that has impacted 360,000 devices since 2020. The post Authorities Disrupt SocksEscort Proxy Service Powered by AVrecon Botnet appeared first on SecurityWeek .
On Wednesday, a phishing message made its way into our handler inbox that contained a fairly typical low-quality lure, but turned out to be quite interesting in the end nonetheless. That is because the accompanying credential stealing web page was dynamically constructed using React and used a legitimate e-mail service for credential collection.
Key Findings Introduction Handala Hack, also tracked by Check Point Research as Void Manticore, is an Iranian threat actor that is known for multiple destructive wiping attacks combined with “hack and leak” operations. The threat actor operates several online personas, with the most prominent among them being Homeland Justice, maintained from mid-2022 specifically for multiple attacks […] The post “Handala Hack” – Unveiling Group’s Modus Operandi appeared first on Check Point Research .
The company has released iOS and iPadOS versions 16.7.15 and 15.8.7 to patch the vulnerabilities. The post Apple Updates Legacy iOS Versions to Patch Coruna Exploits appeared first on SecurityWeek .
Applying SOC-level rigor to the rumors, politics, and 'human intel' can make or break a security team. The post The Human IOC: Why Security Professionals Struggle with Social Vetting appeared first on SecurityWeek .
The 2024 incident was initially linked to China, but an infostealer infection has now revealed North Korean involvement. The post Polyfill Supply Chain Attack Impacting 100k Sites Linked to North Korea appeared first on SecurityWeek .
Stryker was targeted by the Handala group, which claims to have wiped more than 200,000 of the company’s devices. The post MedTech Giant Stryker Crippled by Iran-Linked Hacker Attack appeared first on SecurityWeek .
Hackers stole personal information such as names, Social Security numbers, and driver’s license numbers. The post 238,000 Impacted by Bell Ambulance Data Breach appeared first on SecurityWeek .
The cybercriminals have leaked more than 300GB of files allegedly stolen from the tire giant. The post Michelin Confirms Data Breach Linked to Oracle EBS Attack appeared first on SecurityWeek .
