threat-intel Exploits and vulnerabilities in Q1 2026 This Securelist report analyzes vulnerability trends and exploitation activity during Q1 2026, focusing on the expansion of exploit kits targeting Microsoft Office, Windows, and Linux operating systems. The report highli… Securelist · May 7, 2026 High CVE-2018-0802CVE-2017-11882CVE-2017-0199USvulnerabilityexploitationrce
threat-intel Fixing the password problem is as easy as 123456 This article highlights a persistent problem in cybersecurity: the widespread use of easily guessable passwords, particularly ‘123456’ and variations. Despite industry advice and password policies, numerous websites, inc… WeLiveSecurity · May 7, 2026 High password_securityweak_passwordsdata_breach
supply-chain OceanLotus suspected of using PyPI to deliver ZiChatBot malware Securelist researchers identified a PyPI supply chain attack orchestrated by OceanLotus, utilizing seemingly legitimate Python packages (uuid32-utils, colorinal, and termncolor) to deliver the previously unknown malware… Securelist · May 6, 2026 High UKsupply-chainpythonpypi
threat-intel From Stuxnet to ChatGPT: 20 News Events That Shaped Cyber This Dark Reading article reflects on key cybersecurity events from the past two decades, highlighting the evolution of cyber threats and their impact on businesses and critical infrastructure. The piece emphasizes how a… Dark Reading · May 6, 2026 High CVE-2017-0144CVE-2021-44228IRUSISindustrial control systemsnation-state actorsair gap
threat-intel Insights into the clustering and reuse of phone numbers in scam emails This article details Cisco Talos’s intelligence gathering on the increasing use of phone numbers in scam email campaigns. Attackers are leveraging API-driven VoIP providers like Sinch and Twilio to operate high-volume, d… Cisco Talos · May 6, 2026 High USUKvoipscamphishing
apt UAT-8302 and its box full of malware Cisco Talos has identified UAT-8302, a China-nexus advanced persistent threat (APT) group, targeting government entities in South America and southeastern Europe. The group utilizes a range of custom malware families, in… Cisco Talos · May 5, 2026 High CVE-2025-0994BRCOCUchinaaptgovernment
threat-intel CloudZ RAT potentially steals OTP messages using Pheno plugin Cisco Talos identified an intrusion campaign initiated in January 2026 involving the deployment of the CloudZ remote access tool (RAT) alongside a new plugin called ‘Pheno.’ This campaign leveraged the Microsoft Phone Li… Cisco Talos · May 5, 2026 High USotpphone linkcredential theft
threat-intel A rigged game: ScarCruft compromises gaming platform in a supply-chain attack A North Korean-aligned APT group, ScarCruft (also known as APT37 or Reaper), conducted a supply-chain attack targeting a video game platform used by ethnic Koreans in the Yanbian region of China. The attackers injected a… WeLiveSecurity · May 5, 2026 High CNKPsupply-chainnorth-koreaespionage
threat-intel Teenager alleged to be Scattered Spider hacker arrested in Finland, faces US extradition A 19-year-old teenager, identified as "Bouquet," has been arrested in Finland and faces US extradition charges for allegedly being a member of the Scattered Spider cybercrime group. The investigation revealed the group’s… Graham Cluley · May 4, 2026 High USGBFIsocial engineeringphishingmfa
phishing “Legitimate” phishing: how attackers weaponize Amazon SES to bypass email security This Securelist article details a concerning trend of attackers leveraging Amazon Simple Email Service (Amazon SES) for phishing campaigns. Attackers exploit legitimate access keys to send convincing emails that bypass s… Securelist · May 4, 2026 High USphishingawsamazon ses
threat-intel Essential Data Sources for Detection Beyond the Endpoint This Unit 42 report highlights the increasing speed of cyberattacks and the limitations of relying solely on endpoint detection and response (EDR) solutions. Attackers are now moving four times faster to exfiltrate data,… Palo Alto Unit 42 · May 1, 2026 High cloud securityendpoint detectionthreat intelligence
threat-intel That AI Extension Helping You Write Emails? It’s Reading Them First Palo Alto Unit 42 has identified 18 AI-powered browser extensions posing significant security risks. These extensions, masquerading as productivity tools, are actually delivering malicious payloads such as remote access… Palo Alto Unit 42 · Apr 30, 2026 High USaibrowser extensionsgenai
threat-intel Anthropic's Mythos Has Landed: Here's What Comes Next for Cyber This article reports on Anthropic’s release of Claude, dubbed ‘Mythos,’ an AI model capable of rapidly identifying and exploiting software vulnerabilities, including zero-day bugs, across major operating systems and web… Dark Reading · Apr 30, 2026 High aivulnerabilitycybersecurity
threat-intel Great responsibility, without great power This article from Cisco Talos discusses the importance of empathy and understanding in cybersecurity, particularly in recognizing and responding to attacker behavior. It highlights five critical priorities for defenders… Cisco Talos · Apr 30, 2026 High CVE-2026-42208identityanomalythreat-hunting
threat-intel Anti-DDoS Firm Heaped Attacks on Brazilian ISPs A Brazilian DDoS protection firm, Huge Networks, was found to be running a botnet that launched massive DDoS attacks against Brazilian ISPs. This activity stemmed from a security breach in January 2026 that compromised t… Krebs on Security · Apr 30, 2026 High CVE-2023-1389BRUSddosbotnetdns
threat-intel Smashing Security podcast #465: This developer wanted to cheat at Roblox. It cost millions This podcast episode discusses a recent corporate hack stemming from an individual attempting to cheat at the Roblox game. The incident involved a developer gaining unauthorized access to a Microsoft 365 tenant, disablin… Graham Cluley · Apr 29, 2026 High microsoft 365security breachcorporate hack
threat-intel Five defender priorities from the Talos Year in Review This Cisco Talos report, part of their Year in Review, highlights five key priorities for cybersecurity defenders in the current threat landscape. The report emphasizes the increasing ease of attack due to readily availa… Cisco Talos · Apr 28, 2026 High USidentityvulnerabilityanomaly detection
data-breach French police arrest 21-year-old “HexDex” hacker over 100 alleged data breaches A 21-year-old man suspected of conducting approximately 100 data breaches since late 2025 - including a hack of the French Ministry of National Education that exposed records on almost a quarter of a million employees -… Graham Cluley · Apr 28, 2026 High
apt TGR-STA-1030: New Activity in Central and South America This intelligence report, TGR-STA-1030, details ongoing activity by a persistent cyber espionage group. Recent observations indicate a significant shift in the group's operational focus, concentrating on Central and Sout… Palo Alto Unit 42 · Apr 24, 2026 High cyber espionageregional focustps
threat-intel The calm before the ransom: What you see is not all there is This article highlights a common cybersecurity pitfall: organizations can become overly confident in their security posture due to a period of stability, leading to complacency and a failure to adequately assess current… WeLiveSecurity · Apr 24, 2026 High UScomplacencyrisk assessmentcybersecurity