threat-intel Chinese hackers target telcos with new Linux, Windows malware A Chinese cyber-espionage group, known as Calypso (Red Lamassu), has been targeting telecommunications providers globally since mid-2022 with a dual-pronged malware campaign utilizing Showboat (Linux) and JMFBackdoor (Wi… BleepingComputer · May 21, 2026 High CHMIASlinuxwindowsespionage
threat-intel ISC Stormcast For Thursday, May 21st, 2026 https://isc.sans.edu/podcastdetail/9940, (Thu, May 21st) The SANS Internet Storm Center's Stormcast for May 21st, 2026 highlighted a concerning increase in several active threats across the internet landscape. The report detailed a rise in phishing campaigns, malicious email a… SANS Internet Storm Center · May 21, 2026 Medium phishingvulnerabilitythreat intelligence
malware Fake Android Apps Commit Carrier Billing Fraud for Premium Svcs. A coordinated campaign targeting Android users in Malaysia, Thailand, Romania, and Croatia has been identified, utilizing fake apps disguised as popular services to commit carrier billing fraud. The malware, employing te… Dark Reading · May 20, 2026 High MYTHROandroidcarrier billingfraud
threat-intel Identity Alone Isn't Enough: Why Device Security Has to Share the Load This article highlights the limitations of relying solely on identity verification in modern cybersecurity, arguing that it’s no longer sufficient against sophisticated attacks leveraging AI and phishing. The piece empha… BleepingComputer · May 20, 2026 High USzero trustmfadevice posture
threat-intel Interpol's 'Operation Ramz' Pioneers Cross-Region Collabs in Middle East Interpol’s ‘Operation Ramz’ was a five-month collaborative law enforcement effort involving 13 countries in the Middle East and North Africa (MENA) region to combat cybercrime. The operation resulted in the identificatio… Dark Reading · May 20, 2026 High AEEGIQcybercrimeregionalcollaboration
threat-intel Huawei zero-day attack behind last year’s crash of Luxembourg's entire telecoms network A zero-day attack targeting a vulnerability in Huawei’s enterprise router software caused a three-hour nationwide telecoms outage in Luxembourg during July 2025. The attack, which exploited a previously undocumented beha… The Record · May 19, 2026 High CVE-2021-22359CVE-2022-29798LUzero-daydenied-servicenetwork
threat-intel Looking Back, Looking Forward: Digesting a Dynamic Bouillabaisse of Cyber Evolution This Dark Reading article reflects on the cybersecurity industry’s evolution over the past 20 years, highlighting key shifts like the move from perimeter defense to assume-breach strategies and the increasing complexity… Dark Reading · May 19, 2026 Medium cybersecuritycloud securityiot security
vulnerability SEPPMail Secure E-Mail Gateway Vulnerabilities Enable RCE and Mail Traffic Access SEPPMail Secure E-Mail Gateway has been found to contain multiple critical vulnerabilities, including remote code execution (RCE) and unauthorized access to mail traffic. These flaws, detailed in a report by InfoGuard La… The Hacker News · May 19, 2026 Critical CVE-2026-2743CVE-2026-7864CVE-2026-44125remote code executionemail securitylog rotation
threat-intel The quest for greater tech independence The article explores the growing trend of nations, particularly in Europe, seeking greater tech sovereignty – the ability to independently control their digital infrastructure and technology supply chains – driven by con… WeLiveSecurity · May 19, 2026 High EUCHUStech sovereigntydigital independencesupply chain
threat-intel ISC Stormcast For Friday, May 15th, 2026 https://isc.sans.edu/podcastdetail/9934, (Fri, May 15th) The SANS Internet Storm Center's Stormcast for May 15th, 2026 highlighted a concerning increase in several active threats across the internet landscape. The report detailed a rise in phishing campaigns, malicious email a… SANS Internet Storm Center · May 15, 2026 Medium phishingvulnerabilitythreat intelligence
vulnerability Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities Cisco Talos has identified ongoing exploitation of vulnerabilities within Cisco Catalyst SD-WAN Controller and Manager, specifically CVE-2026-20182 and a set of related vulnerabilities (CVE-2026-20133, CVE-2026-20128, an… Cisco Talos · May 14, 2026 High CVE-2026-20182CVE-2026-20133CVE-2026-20128sd-wanciscoauthentication
threat-intel FrostyNeighbor: Fresh mischief and digital shenanigans FrostyNeighbor, a long-running cyberespionage group allegedly linked to Belarus, is continuing its operations targeting governmental organizations in Ukraine and other Eastern European countries. The latest activity invo… WeLiveSecurity · May 14, 2026 High BYPLLTcyberespionagecobalt strikepicassoloader
vulnerability Breaking things to keep them safe with Philippe Laulheret This article details the work of Philippe Laulheret, a Senior Vulnerability Researcher at Cisco Talos, focusing on his unique career path and approach to identifying security flaws. Laulheret’s background includes a stro… Cisco Talos · May 13, 2026 Medium vulnerability researchreverse engineeringctf
threat-intel A 0-click exploit chain for the Pixel 10: When a Door Closes, a Window Opens Google Project Zero researchers discovered a critical 0-click vulnerability in the Google Pixel 10's VPU driver, allowing for arbitrary kernel code execution. The vulnerability stems from a flaw in the `vpu_mmap` functio… Google Project Zero · May 13, 2026 Critical CVE-2025-54957zero-clickkernel-exploitationdriver-vulnerability
threat-intel Unplug your way to better code This article from Cisco Talos discusses a shift in threat intelligence strategy, focusing on tracking phone numbers used in sophisticated scam campaigns. Attackers are increasingly utilizing API-driven VoIP numbers for T… Cisco Talos · May 7, 2026 Medium voipscamphone numbers
malware Fake call logs, real payments: How CallPhantom tricks Android users This report details a widespread Android scam, dubbed CallPhantom, where fraudulent apps masquerading as call log retrieval services tricked users into paying for randomly generated data. Twenty-eight apps, collectively… WeLiveSecurity · May 7, 2026 Medium INscamfraudandroid
threat-intel Smashing Security podcast #466: Meta sees everything, Copy Fail, and a deepfake gets hired This Smashing Security podcast episode discusses ongoing cybersecurity challenges, including the persistent issues of AI-related bugs, social engineering attacks, and the dangers of deepfakes. A key topic is Meta’s smart… Graham Cluley · May 6, 2026 Medium UKaiprivacydeepfake
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
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 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
