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Cybersecurity reportings, advisories, and research. 66 matching records.
Last update // 2026-08-22 04:00 UTC
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2026-08-21 11:11 UTC
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Fake Conferences, OAuth and WhatsApp: Inside Russia’s New Espionage Tactics

Security Affairs · Pierluigi Paganini · indexed 2026-08-21 11:40 UTC

Google tracks three Russia-linked espionage clusters using phishing and legitimate authentication tools to target researchers, diplomats and defense staff. Google’s Threat Intelligence Group tracked three separate suspected Russia-linked cyber espionage clusters. All three focus on the same thing: abusing authentication features that are supposed to protect accounts to access them instead. Threat actors target researchers, […]

APT / Nation-StatePhishingThreat ActorsThreat Intelligence
P0
2026-08-21 09:14 UTC
Other

Poland’s CERT Warns of Active Exploitation of Critical Zimbra Collaboration Suite Flaw

Security Affairs · Pierluigi Paganini · indexed 2026-08-21 09:40 UTC

CERT Polska confirmed active exploitation of CVE-2026-73570, a critical unauthenticated RCE in Zimbra Collaboration Suite patched on July 20. CERT Polska, Poland’s national computer emergency response team, confirmed this week that threat actors are actively exploiting a critical vulnerability in Zimbra Collaboration Suite tracked as CVE-2026-73570. The flaw allows unauthenticated remote code execution and was […]

Threat ActorsVulnerabilitiesCVE-2026-73570
P30
2026-08-20 21:35 UTC
Vendor Research

CVE-2026-6550 - Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python

AWS Security Bulletins · aws@amazon.com · indexed 2026-08-15 18:58 UTC

Bulletin ID: 2026-017-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 2026/04/20 12:45 PM PDT Description: AWS Encryption SDK (ESDK) for Python is a client-side encryption library. We identified CVE-2026-6550, which describes an issue with a key commitment policy bypass via shared key cache. Cryptographic algorithm downgrade in the caching layer of Amazon AWS Encryption SDK for Python before version 3.3.1 and before version 4.0.5 might allow an authenticated local …

Cloud SecurityThreat ActorsVulnerabilitiesCVE-2026-6550
P5
2026-08-20 21:35 UTC
Vendor Research

CVE-2026-5429 - Kiro IDE Webview Cross-Site Scripting via Workspace Color Theme

AWS Security Bulletins · aws@amazon.com · indexed 2026-08-15 18:58 UTC

Bulletin ID: 2026-012-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 2026/04/02 11:30 AM PDT Description: Kiro IDE is an agentic development environment that makes it easy for developers to ship real engineering work with the help of AI agents. We identified CVE-2026-5429, where unsanitized input during web page generation in the Kiro Agent webview in Kiro IDE before version 0.8.140 allows a remote unauthenticated threat actor to execute arbitrary code via a malic…

AI SecurityCloud SecurityThreat ActorsVulnerabilitiesCVE-2026-5429
P5
2026-08-20 14:01 UTC
Vendor Research

Frequently asked questions about the active threat to Siemens S7 Series PLCs

Tenable Cyber Exposure Alerts · Research Special Operations · indexed 2026-08-20 14:10 UTC

A joint cybersecurity advisory released by multiple U.S. government agencies warns that threat actors are using AI-generated exploitation scripts to target exposed Siemens S7 Series PLCs across critical infrastructure sectors.Key TakeawaysUnattributed threat actors are exploiting known weaknesses and unnecessary internet exposure to conduct reconnaissance and possible pre-positioning for future disruptive attacks against Siemens S7 Series PLCs.The attackers are leveraging AI to build and refine…

DFIRICS / OTLaw EnforcementMicrosoftThreat ActorsVulnerabilities
P25
2026-08-19 16:46 UTC
Vendor Research

CVE-2026-19490: Critical Vulnerability Affecting Citrix NetScaler ADC and NetScaler Gateway

Rapid7 · Rapid7 · indexed 2026-08-19 17:30 UTC

OverviewOn August 19, 2026, a security advisory was published for CVE-2026-19490, a critical authentication bypass vulnerability affecting Citrix NetScaler ADC and NetScaler Gateway. The vulnerability carries a CVSS v4.0 base score of 9.3 and can be exploited remotely by an unauthenticated attacker over the network without user interaction or elevated privileges.NetScaler ADC and NetScaler Gateway are widely deployed enterprise networking products commonly positioned at or near the network peri…

Network SecurityThreat ActorsVulnerabilitiesCVE-2026-19490
P35
2026-08-17 15:15 UTC
Vendor Research

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

Tenable Blog · Clément Notin · indexed 2026-08-17 15:35 UTC

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 neutra…

AppleCloud SecurityCybercrimeDFIRMalwareMicrosoftRansomwareThreat ActorsThreat Intelligence
P15
2026-08-16 08:55 UTC
Other

Sophisticated Cyberattack Exposes Data of 678,000 French Taxpayers

Security Affairs · Pierluigi Paganini · indexed 2026-08-16 18:35 UTC

France’s tax agency says hackers stole data on 678,000 taxpayers, including income and tax details, in a sophisticated cyberattack. A threat actor claimed to have breached France’s tax agency in late June. France’s tax administration confirmed that a cyberattack exposed personal data of 678,000 individuals and businesses, prompting an immediate criminal investigation. The cybercrime unit […]

CybercrimeDFIRThreat Actors
P0
2026-08-15 01:36 UTC
Vendor Research

The Agentic AI threat cluster: Seven incidents, three actors, and what they mean for your exposure

Tenable Blog · Research Special Operations · indexed 2026-08-15 18:55 UTC

Tenable’s Research Special Operations (RSO) team has been tracking a cluster of agentic AI threat activity since late July 2026. The Taiwan autonomous AI cyber attack confirmed what the cluster data already showed: near-autonomous offensive AI has crossed from theoretical risk to operational reality.Key TakeawaysTaiwan's Ministry of Digital Affairs confirmed a near-autonomous AI cyber attack in July 2026 in which autonomous agents mapped 21 connected government systems, compromised 85 accounts,…

AI SecurityAPT / Nation-StateCloud SecurityNetwork SecurityThreat ActorsVulnerabilitiesCVE-2025-3248
P30
2026-08-14 18:48 UTC
Security Journalism

Hackers Spend Nearly $7 Million on Expired Domains to Redirect Traffic to Scams and Malware

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-17 10:50 UTC

Threat actors are acquiring expired domains to inherit website traffic and reputation to redirect victims to scams and malware on a large scale. DNS threat intelligence firm Infoblox has given the name dropcatch domains to those that get a second chance, where an expired domain becomes available for registration and is then snapped up by another party. During the first half of 2026, 50,400

MalwareThreat ActorsThreat Intelligence
P0
2026-08-14 13:08 UTC
Security Journalism

Mustang Panda Adds Signed Windows Rootkit to CoolClient Backdoor for Stealth

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-17 10:50 UTC

The threat actor known as HoneyMyte (aka Mustang Panda) has been observed deploying an updated version of the CoolClient backdoor with a signed Windows kernel-mode rootkit that can hide and protect malicious processes, files, registry objects, and command-and-control (C2) network information. Russian cybersecurity vendor Kaspersky said it identified victims in Myanmar, Mongolia, Pakistan,

LinuxMalwareMicrosoftThreat Actors
P0
2026-08-14 07:54 UTC
Security Journalism

China-Linked Jewelbug Uses XG-Web for Government Espionage and Crypto Fraud

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-17 10:50 UTC

The China-linked threat actor known as Jewelbug has been observed carrying out cyber espionage operations targeting governments and militaries, while simultaneously engaging in cryptocurrency fraud. "Both missions are administered from a single control panel, XG-Web, a browser-centric remote-access and information-stealing framework that turns a victim's browser into a full remote-control

APT / Nation-StateCybercrimeThreat Actors
P0
2026-08-13 06:09 UTC
Security Journalism

Attackers Exploit SharePoint Authentication Bypass After Public PoC Release

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-15 14:33 UTC

Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept (PoC) code. The vulnerability in question is CVE-2026-55040 (CVSS score: 9.1), which refers to a critical security feature bypass that stems from weak authentication. It was patched by Microsoft as part of its July 2026 Patch Tuesday updates. "The authentication

MicrosoftThreat ActorsVulnerabilitiesCVE-2026-55040
P15
2026-08-12 17:39 UTC
Security Journalism

Lazarus Exploits Windows Zero-Day to Gain SYSTEM Access and Deploy Backdoor

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-15 14:33 UTC

The North Korean threat actor known as Lazarus Group has been attributed to the zero-day exploitation of a newly patched security flaw impacting Microsoft Windows to deliver a never-before-seen backdoor targeting defense and aerospace companies across France, Germany, Brazil, and India. The activity, per Check Point Research, is part of Operation Dream Job, a long-running cyber espionage and

APT / Nation-StateMalwareMicrosoftThreat ActorsVulnerabilities
P25
2026-08-12 09:01 UTC
Security Journalism

Attackers Exploit VMware vCenter Vulnerability to Gain Persistent Remote Access

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-15 14:33 UTC

Threat actors have begun to actively exploit a recently patched critical security flaw in Broadcom VMware vCenter, according to new findings from QUIRSO. The vulnerability in question is CVE-2026-59310 (CVSS score: 9.8), a directory-traversal vulnerability in the VMware vCenter server that a malicious actor with network access can exploit to execute arbitrary code. Patches for the flaw were

Threat ActorsVulnerabilitiesCVE-2026-59310
P5
2026-08-11 18:36 UTC
Security Journalism

Sandworm-Linked UAC-0145 Uses Fake Job Interviews to Push VPN That Can Run Commands

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-15 14:33 UTC

The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of a new social engineering campaign orchestrated by Russian nation-state threat actors targeting IT workers in the country by masquerading as recruiters to trick them into installing malware. CERT-UA pinned the activity on a threat cluster it tracks as UAC-0145, which is a subgroup within Sandworm (aka APT44,

APT / Nation-StateMalwareNetwork SecurityThreat Actors
P0
2026-08-10 16:38 UTC
Security Journalism

China-Linked Hackers Deploy New StormEncryptor Ransomware, Likely via N-central Flaw

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-15 14:33 UTC

Microsoft has disclosed that Storm-1175, a financially motivated threat actor linked to China, has deployed a previously undocumented ransomware strain called StormEncryptor. The use of StormEncryptor marks a shift from the adversary's previous use of Medusa ransomware, the Microsoft Threat Intelligence Team said. "StormEncryptor is written in C++ and appends the file name extension .encrypted

MicrosoftRansomwareThreat ActorsThreat Intelligence
P15
2026-08-10 11:33 UTC
Security Journalism

TrueConf Server Flaws Exploited to Replace Client Installers with PhantomCore

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-15 14:33 UTC

The threat actor known as Head Mare has been observed weaponizing security flaws in unpatched TrueConf servers once again in attacks targeting Russian companies spanning instrumentation, electronics, transport, energy, IT, and software development sectors. Russian cybersecurity vendor Kaspersky said it detected the attacks in July 2026. The activity involves exploiting a vulnerability chain

Cloud SecurityThreat ActorsVulnerabilities
P0
2026-08-08 06:57 UTC
Security Journalism

N-able Issues N-central Hotfix 2 as Attackers Reach Managed Systems and Persist

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-15 14:33 UTC

N-able has released a fresh round of hotfixes for N‑central as part of its investigation into ongoing exploitation of a recently disclosed security flaw in the Remote Monitoring and Management (RMM) product. "We are proactively expanding protections in response to ongoing monitoring of threat actors as they evolve their attack techniques," the company said. "This is not a duplicate of our

DFIRMicrosoftThreat Actors
P0
2026-08-07 18:16 UTC
Security Journalism

UNC6671 Vishing Attacks Target Personal Phones to Steal SaaS Data

The Hacker News · info@thehackernews.com (The Hacker News) · indexed 2026-08-15 14:33 UTC

A recent wave of cyber attacks targeting financial services, private equity, and professional services has been attributed to a data extortion group known as UNC6671. "UNC6671 continues to rely on voice phishing (vishing) to target enterprise employees, posing as IT help desk staff facilitating mandatory, urgent security migrations. Significantly, the threat actor often contacts employees via

PhishingThreat Actors
P0
2026-08-07 12:00 UTC
Vendor Research

Agentic AI for cyber defenders: What security teams built at Black Hat USA 2026

Tenable Blog · Nick Hayes · indexed 2026-08-15 18:55 UTC

Agentic AI armed attackers first, but it also put real building power in defenders’ hands. Here’s what security practitioners built in two days at Black Hat USA 2026, and how the CyberAgents Exchange keeps that work compounding long after the event.Key takeawaysBuilding defensive cybersecurity tooling no longer requires a developer. Agentic tooling drove the cost of finding and exploiting a vulnerability down to 1990s levels; it also removed the engineering barrier that kept defenders from buil…

AI SecurityCloud SecurityMicrosoftThreat ActorsVulnerabilities
P0
2026-08-06 17:00 UTC
Independent Research

Canadian Man Pleads Guilty in Snowflake Extortions

Krebs on Security · BrianKrebs · indexed 2026-08-15 14:33 UTC

A 26-year-old Canadian man once described as one of the most consequential cybercrime threat actors of 2024 has pleaded guilty to computer fraud and conspiracy to hack and extort more than 165 organizations that used the cloud data storage provider Snowflake. Connor Riley Moucka, of Kitchener, Ontario, also admitted to stealing call and text history records of more than 100 million AT&T customers.

CybercrimeThreat Actors
P0
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