Výsledky hledání

výrobce: Microsoft× téma: ransomware× v celém archivu zrušit filtry

9 karet z 9 položek CZ · EN/orig

IR trends Q3 2026: Actors impersonate IT help desks in vishing attacks as ransomware activity increases

Phishing remained the leading initial access technique, appearing in slightly over one-third of all Cisco Talos Incident Response (Talos IR) engagements — a decrease from over 50 percent last quarter. In addition to traditional phishing links and attachments, we observed numerous threat actors conducting voice phishing (vishing) in tandem with IT desk impersonation to socially engineer the victim into allowing remote access via a legitimate remote monitoring and management (RMM) tool.…

KEV ✓ EPSS 1.00 CVE-2023-20198 Cisco Microsoft Anthropic telekomunikace US

tg: zneužíváno tg: rozbor tp: phishing tp: ransomware tp: AI tp: špionáž

· Cisco Talos · IR trends Q3 2026: Actors impersonate IT help desks in vishing attacks as ransomware activity increases

Storm-3168: Agentic-driven cloud attacks using compromised service principals

In this article Attack overviewTechnical analysisMitigation and protection guidanceReferencesLearn More Microsoft Security Research has identified malicious cloud activity associated with JADEPUFFER, a threat actor discovered by Sysdig in July 2026 and reported to be the first documented agentic ransomware operation. Our investigation found an extensive Azure-focused resource destruction activity using compromised service principals and cloud credential collection that could be used to…

Microsoft US

tg: varování tg: rozbor tp: ransomware tp: AI tp: identita

· Microsoft Security Blog · Storm-3168: Agentic-driven cloud attacks using compromised service principals

Group Policy hijacked: PAYLOAD ransomware weaponizes Active Directory GPO

Executive summary In April 2026, we at Kaspersky’s Global Emergency Response Team (GERT) responded to a security incident at a manufacturing organization in the Middle East. The threat actor obtained domain admin-equivalent control of the organization’s Active Directory environment and authored a malicious Group Policy Object (GPO) named PAYLOAD, linking it at the domain root. Through that single object, the actor delivered ransom notes, hijacked the desktop wallpaper and lock screen, enforced…

Microsoft Fortinet výroba a průmysl RU

tg: incident tg: rozbor tp: ransomware tp: únik dat tp: identita

· Securelist (Kaspersky) · Group Policy hijacked: PAYLOAD ransomware weaponizes Active Directory GPO

Angry Birds: Toy Ghouls’ new toys

Introduction We continue tracking the activity of Toy Ghouls (also known as Bearlyfy, Laboo.boo, and Feral Wolf), a financially motivated group that has been targeting Russian organizations since 2025. The attackers initially relied exclusively on tools pulled from public GitHub repositories along with leaked Babuk and LockBit ransomware builders, later shifting to their own custom ransomware, GenieLocker. In early July 2026, we observed the group using a custom backdoor for the first time. We…

Microsoft RU

tg: varování tg: rozbor tp: malware tp: ransomware

· Securelist (Kaspersky) · Angry Birds: Toy Ghouls’ new toys

New Report: AI threats are here. Why Q2 2026 signals the end of traditional patch cycles

You can’t patch everything. So what do you fix first? Findings in Q2 2026 have changed traditional answers.The latest Quarterly Threat Landscape Report from Rapid7 Labs shows vulnerability disclosures still surging while attackers use automation and AI-assisted tooling to compress the time between disclosure and exploitation. The gap that patch cycles were built to fill is closing. Speed and volume are overwhelming security teams that have relied on traditional patch cycles and reactive…

CVSS 7.0 Microsoft veřejná správa finance zdravotnictví výroba a průmysl US

tg: rozbor tp: ransomware tp: AI tp: špionáž tp: průmyslové systémy

· Rapid7 · New Report: AI threats are here. Why Q2 2026 signals the end of traditional patch cycles

Detecting cloud ransomware in Azure with Tenable One’s cloud detection and response capabilities

Learn how Tenable One Cloud Exposure helps you unmask the sophisticated tactics of cybercrime group Storm-0501, which carries out Azure-based cloud ransomware campaigns. Tenable One Cloud Exposure uses AI-powered threat stories to expose Storm-0501 TTPs, backed by precision-engineered threat detection alerts.Key takeawaysStorm-0501 demonstrates that cloud-first ransomware groups have shifted from simple endpoint encryption to the total hijacking of cloud tenants.Storm-0501 systematically…

Microsoft US

tg: rozbor tg: propagace tp: ransomware tp: identita

· Tenable Research · Detecting cloud ransomware in Azure with Tenable One’s cloud detection and response capabilities

128 Seconds to disruption: Microsoft Defender stops ransomware at QNET 

In this article What is device isolation?Case study: QNETAttack chain overviewMITRE ATT&CK techniques observedReferencesLearn more Microsoft Defender’s attack disruption now includes device isolation, a new response action that extends autonomous protection directly to compromised endpoints. At QNET, an attacker initiated a multi-stage attack using a legitimate Windows tool on a compromised endpoint to retrieve a malicious remote payload–a classic living-off-the-land (LOL) technique that often…

Microsoft obchod US

tg: incident tg: rozbor tg: propagace tp: malware tp: ransomware

· Microsoft Security Blog · 128 Seconds to disruption: Microsoft Defender stops ransomware at QNET 

27th July – Threat Intelligence Report

For the latest discoveries in cyber research for the week of 27th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Nichirei, a Japan-based frozen-food supplier and logistics company, has experienced a ransomware attack that disrupted shipping operations and affected approximately 5,000 customers. KFC Japan warned of possible shortages. Nichirei confirmed personal data theft, while the RansomHouse group claimed responsibility and published a subset of the stolen…

KEV ✓ EPSS 0.20 CVE-2025-66376 CVE-2026-16232 CVE-2026-50522 Check Point Oracle Microsoft Zimbra energetika vodárenství doprava veřejná správa IL

tg: incident tg: zneužíváno tg: přehled tp: ransomware tp: únik dat tp: AI tp: průmyslové systémy

· Check Point Research · 27th July – Threat Intelligence Report