Ransomware in 2025: Blending in is the strategy

Ransomware attacks aren't smash-and-grab anymore. They're built on access that already looks legitimate -- closer to positioning chess pieces than breaking the door down. That's the big trend that comes through in the ransomware data from the Talos 2025 Year in Review. Once attackers have initial...

Microsoft Warns IRS Phishing Hits 29,000 Users, Deploys RMM Malware

Microsoft has warned of fresh campaigns that are capitalizing on the upcoming tax season in the U.S. to harvest credentials and deliver malware. The email campaigns take advantage of the urgency and time-sensitive nature of emails to send phishing messages masquerading as refund notices, payroll...

An Agentic Multi-Agent Architecture for Cybersecurity Risk Management

Getting a real cybersecurity risk assessment for a small organization is expensive -- a NIST CSF-aligned engagement runs $15,000 on the low end, takes weeks, and depends on practitioners who are genuinely scarce. Most small companies skip it entirely. We built a six-agent AI system where each age...

Server-side Request Forgery (SSRF)

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF when processing client configuration requests. An attacker can make unintend...

PT-2026-25544

Name of the Vulnerable Software and Affected Versions Totolink A7100RU version 7.4cu.2313 b20191024 Description A weakness exists in the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. Manipulation of the mode argument can lead to operating system command injection. This attack can be...

FortiGate Devices Exploited to Breach Networks and Steal Service Account Credentials

Cybersecurity researchers are calling attention to a new campaign where threat actors are abusing FortiGate Next-Generation Firewall NGFW appliances as entry points to breach victim networks. The activity involves the exploitation of recently disclosed security vulnerabilities or weak credentials...

China-Linked Hackers Use TernDoor, PeerTime, BruteEntry in South American Telecom Attacks

A China-linked advanced persistent threat APT actor has been targeting critical telecommunications infrastructure in South America since 2024, targeting Windows and Linux systems and edge devices with three different implants. The activity is being tracked by Cisco Talos under the moniker UAT-924...

The Iranian Cyber Capability 2026

The Iranian Cyber Capability 2026 By John Fokker and Ernesto Fernández Provecho · March 5, 2026 Introduction In 2024, we published an assessment of the Islamic Republic of Iran’s cyber capabilities, outlining the structure, tradecraft, and strategic intent of Iranian-aligned threat actors. The co...

149 Hacktivist DDoS Attacks Hit 110 Organizations in 16 Countries After Middle East Conflict

Cybersecurity researchers have warned of a surge in retaliatory hacktivist activity following the U.S.-Israel coordinated military campaign against Iran, codenamed Epic Fury and Roaring Lion. "The hacktivist threat in the Middle East is highly lopsided, with two groups, Keymous+ and DieNet, drivi...

Wiz Achieves CPSTIC Certification in Spain

Strengthening secure cloud modernization for Spain’s public sector through CPSTIC certification...

OAuth redirection abuse enables phishing and malware delivery

Microsoft observed phishing-led exploitation of OAuth’s by-design redirection mechanisms. The activity targets government and public-sector organizations and uses silent OAuth authentication flows and intentionally invalid scopes to redirect victims to attacker-controlled infrastructure without...

UAT-10027 Targets U.S. Education and Healthcare with Dohdoor Backdoor

A previously undocumented threat activity cluster has been attributed to an ongoing malicious campaign targeting education and healthcare sectors in the U.S. since at least December 2025. The campaign is being tracked by Cisco Talos under the moniker UAT-10027. The end goal of the attacks is to...

New Dohdoor malware campaign targets education and health care

Cisco Talos discovered an ongoing malicious campaign since at least as early as December 2025 by a threat actor we track as "UAT-10027," delivering a previously undisclosed backdoor dubbed "Dohdoor." Dohdoor utilizes the DNS-over-HTTPS DoH technique for command-and-control C2 communications and h...

North Korean Lazarus Group Adopts Medusa Ransomware in Global Attacks

Lazarus Group is now using Medusa ransomware in attacks on healthcare and social services, signaling a move toward profit-focused cybercrime...

Lazarus Group Uses Medusa Ransomware in Middle East and U.S. Healthcare Attacks

The North Korea-linked Lazarus Group aka Diamond Sleet and Pompilus has been observed using Medusa ransomware in an attack targeting an unnamed entity in the Middle East, according to a new report by the Symantec and Carbon Black Threat Hunter Team. Broadcom's threat intelligence division said it...

Google Ties Suspected Russian Actor to CANFAIL Malware Attacks on Ukrainian Orgs

A previously undocumented threat actor has been attributed to attacks targeting Ukrainian organizations with malware known as CANFAIL. Google Threat Intelligence Group GTIG described the hacking group as possibly affiliated with Russian intelligence services. The threat actor is assessed to have...

UAT-9921 Deploys VoidLink Malware to Target Technology and Financial Sectors

A previously unknown threat actor tracked as UAT-9921 has been observed leveraging a new modular framework called VoidLink in its campaigns targeting the technology and financial services sectors, according to findings from Cisco Talos. "This threat actor seems to have been active since 2019,...

North Korea-Linked UNC1069 Uses AI Lures to Attack Cryptocurrency Organizations

The North Korea-linked threat actor known as UNC1069 has been observed targeting the cryptocurrency sector to steal sensitive data from Windows and macOS systems with the ultimate goal of facilitating financial theft. "The intrusion relied on a social engineering scheme involving a compromised...

Poland Energy Sector Cyber Incident Highlights OT and ICS Security Gaps

The purpose of this Alert is to amplify Poland’s Computer Emergency Response Team CERT Polska’s Energy Sector Incident Report published on Jan. 30, 2026, and highlight key mitigations for Energy Sector stakeholders. In December 2025, a malicious cyber actors targeted and compromised operational...

Bloody Wolf Targets Uzbekistan, Russia Using NetSupport RAT in Spear-Phishing Campaign

The threat actor known as Bloody Wolf has been linked to a campaign targeting Uzbekistan and Russia to infect systems with a remote access trojan known as NetSupport RAT. Cybersecurity vendor Kaspersky is tracking the activity under the moniker Stan Ghouls. The threat actor is known to be active...