Tag: defense
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Rhysida ransomware exploits Microsoft certificate to slip malware past defenses
Identifying forensic signals: The campaigns that leverage trusted certificates undermine the trust model enterprises rely on. Signed malware bypasses app-allow lists, browser warnings, OS checks, and antivirus assumptions about signed code. When the file poses as Teams or PuTTY, employees don’t hesitate to download it as it looks normal.”Once inside, the malware runs with fewer…
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Cyble Detects Advanced Backdoor Targeting Defense Systems via Belarus Military Lure
Cyble Research and Intelligence Labs (CRIL) have uncovered a cyber-espionage operation that used a weaponized ZIP archive to infiltrate defense-sector systems. The malicious file”, disguised as a Belarusian military document titled “ТЛГ на убытие на переподготовку.pdf” (“TLG for departure for retraining.pdf”)”, delivered a highly advanced backdoor capable of establishing covert access through SSH and Tor. First seen on thecyberexpress.com Jump to article: thecyberexpress.com/belarus-military-hit-by-ssh-tor-backdoor/
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Cyble Detects Advanced Backdoor Targeting Defense Systems via Belarus Military Lure
Cyble Research and Intelligence Labs (CRIL) have uncovered a cyber-espionage operation that used a weaponized ZIP archive to infiltrate defense-sector systems. The malicious file”, disguised as a Belarusian military document titled “ТЛГ на убытие на переподготовку.pdf” (“TLG for departure for retraining.pdf”)”, delivered a highly advanced backdoor capable of establishing covert access through SSH and Tor. First seen on thecyberexpress.com Jump to article: thecyberexpress.com/belarus-military-hit-by-ssh-tor-backdoor/
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Neue Strategien für mehr Cyber-Resilienz im Mittelstand – Wie Threat-informed Defense den Mittelstand widerstandsfähiger macht
First seen on security-insider.de Jump to article: www.security-insider.de/threat-informed-defense-mittelstand-resilienz-a-f643e97405b79a12cf49c1f48ef21abc/
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New Email Security Technique Prevents Phishing Attacks Behind NPM Breach
The discovery of a large-scale NPM ecosystem compromise in September 2025 has renewed focus on email security as the critical first line of defense against supply chain attacks. Threat actors successfully compromised multiple high-profile NPM developer accounts through a sophisticated phishing campaign, inserting malicious code into 20 popular packages that collectively received nearly 2.8 billion…
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Cyber agencies produce ‘long overdue’ best practices for securing Microsoft Exchange Server
The guidance: The guidance states admins should treat on-prem Exchange servers as being “under imminent threat,” and itemizes key practices for admins:First, it notes, “the most effective defense against exploitation is ensuring all Exchange servers are running the latest version and Cumulative Update (CU)”;It points out that Microsoft Exchange Server Subscription Edition (SE) is the…
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Cyber agencies produce ‘long overdue’ best practices for securing Microsoft Exchange Server
The guidance: The guidance states admins should treat on-prem Exchange servers as being “under imminent threat,” and itemizes key practices for admins:First, it notes, “the most effective defense against exploitation is ensuring all Exchange servers are running the latest version and Cumulative Update (CU)”;It points out that Microsoft Exchange Server Subscription Edition (SE) is the…
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Google Launches New AI Security Features on Android to Block Mobile Scams
Google has announced enhanced artificial intelligence protections designed to combat the rising tide of mobile scams affecting billions of users worldwide. The company revealed that fraudsters stole over $400 billion globally in the past year using advanced AI-powered schemes, making mobile security more critical than ever. Android’s Advanced Defense Against Mobile Fraud Google’s Android platform…
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The unified linkage model: A new lens for understanding cyber risk
Tags: access, api, attack, breach, ciso, cloud, compliance, credentials, cve, cyber, cybersecurity, data, defense, exploit, flaw, framework, identity, incident response, infrastructure, intelligence, malicious, mitre, network, nist, okta, open-source, radius, resilience, risk, risk-analysis, saas, sbom, software, supply-chain, threat, update, vpn, vulnerability, zero-day, zero-trustMissed systemic risk: Organizations secure individual components but miss how vulnerabilities propagate through dependencies (e.g., Log4j embedded in third-party apps).Ineffective prioritization: Without a linkage structure, teams patch high-severity CVEs on isolated systems while leaving lower-scored flaws on critical trust pathways.Slow incident response: When a zero-day emerges, teams scramble to locate vulnerable components. Without pre-existing linkage…
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CISA Issues Guidance to Curb Microsoft Exchange Exploits
Tags: best-practice, cisa, cyber, defense, exploit, government, international, microsoft, vulnerabilityUS Cyber Defense Agency Releases Best Practices to Harden Exchange Environments. U.S. cyber defense officials and their international partners issued a new blueprint for mitigating Microsoft Exchange vulnerabilities on Thursday as governments worldwide continue to grapple with persistent intrusion campaigns targeting on-premises Microsoft Exchange servers in hybrid environments. First seen on govinfosecurity.com Jump to article:…
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US Defense Contractor Boss Sold Zero Days to Russia, Cops a Plea
So long and thanks for all the fish: Peter Williams admits to selling unpatched iPhone bugs to a shady Russian broker. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/10/l3harris-trenchard-the-final-sb-blogwatch-cheerio-richixbw/
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US Defense Contractor Boss Sold Zero Days to Russia, Cops a Plea
So long and thanks for all the fish: Peter Williams admits to selling unpatched iPhone bugs to a shady Russian broker. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/10/l3harris-trenchard-the-final-sb-blogwatch-cheerio-richixbw/
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US Defense Contractor Boss Sold Zero Days to Russia, Cops a Plea
So long and thanks for all the fish: Peter Williams admits to selling unpatched iPhone bugs to a shady Russian broker. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/10/l3harris-trenchard-the-final-sb-blogwatch-cheerio-richixbw/
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Trick, treat, repeat
Thor gets into the Halloween spirit, sharing new CVE trends, a “treat” for European Windows 10 users, and a reminder that patching is your best defense against zombie vulnerabilities. First seen on blog.talosintelligence.com Jump to article: blog.talosintelligence.com/trick-treat-repeat/
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Google’s Built-In AI Defenses on Android Now Block 10 Billion Scam Messages a Month
Google on Thursday revealed that the scam defenses built into Android safeguard users around the world from more than 10 billion suspected malicious calls and messages every month.The tech giant also said it has blocked over 100 million suspicious numbers from using Rich Communication Services (RCS), an evolution of the SMS protocol, thereby preventing scams…
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Ex-L3Harris exec guilty of selling cyber exploits to Russian broker
Peter Williams, a former general manager at U.S. defense contractor L3Harris Trenchant, has pleaded guilty in U.S. District Court to stealing and selling confidential cybersecurity information to a Russian vulnerability exploit broker. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/ex-l3harris-exec-guilty-of-selling-cyber-exploits-to-russian-broker/
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Chromium flaw crashes Chrome, Edge, Atlas: Researcher publishes exploit after Google’s silence
Beyond desktop crashes: enterprise automation at risk: While crashed browsers disrupt individual users, the vulnerability poses greater risks to enterprise automation. Organizations running headless Chromium browsers for AI agents, trading systems, or operational monitoring face potential workflow paralysis, the document stated.Pino’s documentation outlined several enterprise attack scenarios. AI agents querying compromised websites could crash mid-analysis,…
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Chromium flaw crashes Chrome, Edge, Atlas: Researcher publishes exploit after Google’s silence
Beyond desktop crashes: enterprise automation at risk: While crashed browsers disrupt individual users, the vulnerability poses greater risks to enterprise automation. Organizations running headless Chromium browsers for AI agents, trading systems, or operational monitoring face potential workflow paralysis, the document stated.Pino’s documentation outlined several enterprise attack scenarios. AI agents querying compromised websites could crash mid-analysis,…
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Tips for CISOs switching between industries
Understand and demonstrate achieved results: Making the jump into a new industry isn’t about matching past job titles but about proving you can create impact in a new context. DiMarco says the key is to demonstrate relevance early.”When I pitch a candidate, I explain what they did, how they did it, and what their impact…
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Old threats, new consequences: 90% of cyber claims stem from email and remote access
Tags: access, ai, attack, awareness, cisco, ciso, citrix, cloud, communications, control, credentials, cve, cyber, cybersecurity, data, defense, detection, email, encryption, finance, fraud, hacker, insurance, mail, malicious, microsoft, network, phishing, phone, ransomware, risk, sophos, tactics, threat, tool, update, vpn, vulnerability2025 InsurSec Rankings Report, email and remote access remain the most prominent cyber threat vectors, accounting for 90% of cyber insurance claims in 2024.And, no surprise, larger companies continue to get hit hardest. But, interestingly, the virtual private networks (VPNs) many rely on are anything but secure, despite assumptions to the contrary.”We know from our…
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Ex-Defense contractor exec pleads guilty to selling cyber exploits to Russia
Former US defense contractor exec Peter Williams pled guilty to stealing trade secrets and selling cyber exploits to a Russian broker, per the US DOJ. Ex-US defense contractor Peter Williams (39) admits stealing US trade secrets and selling cyber exploits to a Russian broker. Williams, an Australian national, pleaded guilty to stealing and selling U.S.…
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Ex-Defense contractor exec pleads guilty to selling cyber exploits to Russia
Former US defense contractor exec Peter Williams pled guilty to stealing trade secrets and selling cyber exploits to a Russian broker, per the US DOJ. Ex-US defense contractor Peter Williams (39) admits stealing US trade secrets and selling cyber exploits to a Russian broker. Williams, an Australian national, pleaded guilty to stealing and selling U.S.…
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Cyber Pros Needed: Securing the Middle Ground
Midsize Businesses Need Skilled Professionals as Threat Actors Shift Their Tactics As large enterprises continue to strengthen their defenses and reduce ransom payouts, ransomware operators are redirecting their attention toward midsize organizations. This shift has increased the urgency for adaptable, well-trained cyber professionals who can tailor enterprise-grade protections. First seen on govinfosecurity.com Jump to article:…
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How the City of Toronto embeds security across governance and operations
In this Help Net Security interview, Andree Noel, Deputy CISO at City of Toronto, discusses how the municipality strengthens its cyber defense by embedding security into … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/10/30/andree-noel-city-of-toronto-municipal-cyber-defense/
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The Death of the Security Checkbox: BAS Is the Power Behind Real Defense
Security doesn’t fail at the point of breach. It fails at the point of impact. That line set the tone for this year’s Picus Breach and Simulation (BAS) Summit, where researchers, practitioners, and CISOs all echoed the same theme: cyber defense is no longer about prediction. It’s about proof.When a new exploit drops, scanners scour…
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The Death of the Security Checkbox: BAS Is the Power Behind Real Defense
Security doesn’t fail at the point of breach. It fails at the point of impact. That line set the tone for this year’s Picus Breach and Simulation (BAS) Summit, where researchers, practitioners, and CISOs all echoed the same theme: cyber defense is no longer about prediction. It’s about proof.When a new exploit drops, scanners scour…
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The Death of the Security Checkbox: BAS Is the Power Behind Real Defense
Security doesn’t fail at the point of breach. It fails at the point of impact. That line set the tone for this year’s Picus Breach and Simulation (BAS) Summit, where researchers, practitioners, and CISOs all echoed the same theme: cyber defense is no longer about prediction. It’s about proof.When a new exploit drops, scanners scour…
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Defense Contractor Boss Pleads Guilty to Selling Zero-Day Exploits to Russia
The former general manager of defense contractor Trenchant has admitted selling zero-days to Russian broker First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/defense-contractor-guilty-selling/