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The Cybersecurity Defenders Podcast: Daily Summaries Delivered
by LimaCharlie
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- Yesterday28 min
"Dirty Frag", Canvas ransomware attack, “Mini Shai-Hulud” malware campaign & AI-developed zero-day exploit / Intel Chat [#324]
In this episode of The Cybersecurity Defenders Podcast, we discuss some intel being shared in the LimaCharlie community.Researchers have disclosed a new Linux local privilege escalation technique called “Dirty Frag,” which chains together two kernel vulnerabilities: CVE-2026-43284 in xfrm-ESP handling and CVE-2026-43500 in RxRPC.The breach affecting educational technology provider Instructure has raised broader concerns about the security dependencies schools have on third-party cloud platforms.Security researchers at Aikido are tracking a major expansion of the “Mini Shai-Hulud” malware campaign targeting the npm ecosystem.Google Threat Intelligence Group says threat actors are moving from experimental AI usage toward large-scale operational integration of generative models across the cyberattack lifecycle.Support our show by sharing your favorite episodes with a friend, subscribe, give us a rating or leave a comment on your podcast platform.This podcast is brought to you by LimaCharlie, maker of the SecOps Cloud Platform, infrastructure for SecOps where everything is built API first. Scale with confidence as your business grows. Start today for free at limacharlie.io.
- 5 days ago25 min
Does the rise of AI mean human-led SOCs are obsolete? With Dr. Adeel Shaikh Muhammad [#322]
Dr. Adeel Shaikh Muhammad, a cybersecurity strategist and global speaker with over 16 years of experience across information security, networks, and systems. Adeel brings a practical perspective on how organizations can adapt to evolving cyber threats and the growing role of AI in cybersecurity. Adeel, with an extraordinary portfolio of 40+ industry certifications, including CISSP, CISM, CISA, CCISO, PMP, CEH, ISO 27001 Lead Implementer & Auditor, and a robust suite of advanced Cisco, Microsoft, Fortinet, Barracuda, ITIL, PRINCE2, and AI-related credentials, he is a benchmark of technical mastery and visionary execution. His academic excellence includes a Master’s in Cybersecurity and a current Doctorate in Business Administration (DBA) focused on the impact of AI in Security Operations Centers (SOCs) in the Gulf region.Adeel is the author of two acclaimed books—“AI-Driven Transformation of Security Operations Center (SOC)” and “AI and Us: The Ethical Choices”—bridging the critical intersection of AI innovation and ethical leadership.Support our show by sharing your favorite episodes with a friend, subscribe, give us a rating or leave a comment on your podcast platform. This podcast is brought to you by LimaCharlie, maker of the SecOps Cloud Platform, infrastructure for SecOps where everything is built API first. Scale with confidence as your business grows. Start today for free at limacharlie.io
- 6 days ago27 min
Daily breach attempts target UAE, fake ransomware attack, PAN-OS vulnerability & Microsoft’s Phone Link attack / Intel Chat [#321]
In this episode of The Cybersecurity Defenders Podcast, we discuss some intel being shared in the LimaCharlie community.The cyber threat environment in the Middle East has intensified sharply following military operations involving Israel, the United States, and Iran. An intrusion campaign attributed with moderate confidence to the Iranian state-linked group MuddyWater was disguised as a Chaos ransomware attack, according to research from Rapid7.Palo Alto Networks has warned customers that a critical remote code execution vulnerability in PAN-OS is being actively exploited in the wild.Attackers are abusing Microsoft’s Phone Link application in a campaign that Cisco Talos says has been active since January. Report here.Support our show by sharing your favorite episodes with a friend, subscribe, give us a rating or leave a comment on your podcast platform.This podcast is brought to you by LimaCharlie, maker of the SecOps Cloud Platform, infrastructure for SecOps where everything is built API first. Scale with confidence as your business grows. Start today for free at limacharlie.io.
- 1 weeks ago31 min
AI: The Hero's Journey with Ken Westin from LimaCharlie / Defender Fridays [#320]
In this episode, Ken Westin maps AI adoption onto the hero's journey framework, drawing on two decades of security experience to explore how practitioners can move past early resistance, build real fluency with AI tools, and find a working model where humans and AI operate together.Key Topics:Why early AI tools left security teams skeptical and what has genuinely changed since thenHow Ken used AI to accelerate detection engineering without sacrificing analyst oversightWhy AI is best understood as an eager, overconfident intern that still needs supervisionThe importance of hands-on experimentation over passive observation when learning AIHow collaboration and shared prompting practices are shaping how practitioners learnWhy security analysts who engage with AI now will not be left behind as the field evolvesThe case for AI as a tool of empowerment, not replacementAt Defender Fridays, we delve into the dynamic world of information security, exploring its defensive side with seasoned professionals from across the industry. Our aim is simple yet ambitious: to foster a collaborative space where ideas flow freely, experiences are shared, and knowledge expands.About Our GuestKen Westin is a Senior Solutions Engineer at LimaCharlie with nearly two decades in the cybersecurity industry. A former startup founder who built tools to track criminal activity, Ken has worked across SIEM, EDR, and detection engineering throughout his career. He also teaches at the college level, where AI and cybersecurity are increasingly intertwined disciplines.Register for Live SessionsJoin us every Friday at 10:30am PT for live, interactive discussions with industry experts. Whether you're a seasoned professional or just curious about the field, these sessions offer an engaging dialogue between our guests, hosts, and you, our audience.Register here: https://limacharlie.io/defender-fridaysSubscribe to our YouTube channel and hit the notification bell to never miss a live session or catch up on past episodes on our website!Sponsored by LimaCharlieThis episode is brought to you by LimaCharlie, the Agentic SecOps Workspace (ASW), where AI agents operate security infrastructure using the same controls and authority as human analysts, with every action visible, governed, and auditable.Why LimaCharlie?Eliminate vendor sprawl and tool complexityDeploy and scale effortlessly on native multi-tenant architectureReduce costs with intelligent data routing and free 1-year retentionBuild custom solutions with 100+ security capabilities on-demandAccelerate response with agentic AI that acts directly within predefined workflowsTry the Agentic SecOps Workspace free: https://limacharlie.ioLearn more: https://docs.limacharlie.ioFollow LimaCharlieSign up for free: https://limacharlie.ioLinkedIn: / limacharlieioX: https://x.com/limacharlieioCommunity Discourse: https://community.limacharlie.com/Host: Maxime Lamothe-Brassard - Founder at LimaCharlieGuest: Ken Westin - Senior Solutions Engineer at LimaCharlie
- 1 weeks ago31 min
Power systems under threat, Claude Mythos, suspicious KICS activity & JFrog / Intel Chat [#319]
In this episode of The Cybersecurity Defenders Podcast, we discuss some intel being shared in the LimaCharlie community.Researchers are raising concerns about a new cybersecurity risk emerging from the systems that regulate electrical power inside modern electronics and infrastructure.Japan’s financial sector is responding to concerns around Anthropic’s new AI model, Claude Mythos, which some officials believe could significantly impact cybersecurity.Docker and Socket researchers discovered that malicious images were pushed to the official checkmarx/kics Docker Hub repository, indicating a supply chain compromise affecting the KICS infrastructure-as-code scanning tool.JFrog security researchers identified a malicious npm package published as @bitwarden/cli version 2026.4.0 that impersonates the legitimate Bitwarden command-line client.Support our show by sharing your favorite episodes with a friend, subscribe, give us a rating or leave a comment on your podcast platform.This podcast is brought to you by LimaCharlie, maker of the SecOps Cloud Platform, infrastructure for SecOps where everything is built API first. Scale with confidence as your business grows. Start today for free at limacharlie.io.
- 2 weeks ago36 min
How AI adoption in enterprise infrastructure has expanded the attack surface with Katherine McNamara from Cisco / Defender Fridays [#318]
Today on Defender Fridays, Katherine McNamara, Cybersecurity Technical Solutions Architect at Cisco, joins us to discuss how AI and ML adoption in enterprise infrastructure has expanded the attack surface for AI-driven systems.She'll walk through the security challenges unique to generative AI and ML-based architectures, and cover the four critical components: Model, Data, Application, and System, that organizations need to secure to maintain integrity.Katherine works for Cisco as a Cybersecurity Systems Engineer by day and by night, she's labbing and trying new things with the resources she has available. Katherine loves technology and getting her hands into the CLI or trying something new. She holds a Bachelors of Science and Masters of Information Security and Assurance from Western Governors University as well as several industry certifications. Register for Live SessionsJoin us every Friday at 10:30am PT for live, interactive discussions with industry experts. Whether you're a seasoned professional or just curious about the field, these sessions offer an engaging dialogue between our guests, hosts, and you – our audience.Register here: https://limacharlie.io/defender-fridaysSubscribe to our YouTube channel and hit the notification bell to never miss a live session or catch up on past episodes!Sponsored by LimaCharlieThis episode is brought to you by LimaCharlie, a cloud-native SecOps platform where AI agents operate security infrastructure directly. Founded in 2018, LimaCharlie provides complete API coverage across detection, response, automation, and telemetry, with multi-tenant architecture designed for MSSPs and MDR providers managing thousands of unique client environments.Why LimaCharlie?Transparency: Complete visibility into every action and decision. No black boxes, no vendor lock-in.Scalability: Security operations that scale like infrastructure, not like procurement cycles. Move at cloud speed.Unopinionated Design: Integrate the tools you need, not just those contracts allow. Build security on your terms.Agentic SecOps Workspace (ASW): AI agents that operate alongside your team with observable, auditable actions through the same APIs human analysts use.Security Primitives: Composable building blocks that endure as tools come and go. Build once, evolve continuously.Try the Agentic SecOps Workspace free: https://limacharlie.ioLearn more: https://docs.limacharlie.io/Follow LimaCharlieSign up for free: https://limacharlie.io/LinkedIn: / limacharlieio X: https://x.com/limacharlieioCommunity Discourse: https://community.limacharlie.com/Host: Maxime Lamothe-Brassard - CEO / Co-founder at LimaCharlie
- 2 weeks ago35 min
Cybersecurity is a core leadership issue & opportunity with David Chernitzky from Armour Cybersecurity [#317]
Today David Chernitzky, Co-Founder and CEO of Armour Cybersecurity, breaks down the challenges small and mid-sized businesses face in the new blink-and-you-miss-it cybersecurity landscape. Don't be left behind and open yourself to AI-driven attacks from threat actors.David Chernitzky brings over 25 years of deep cybersecurity and military cyber intelligence experience, with a career rooted in strategic risk management and protecting critical systems against advanced threats. As the driving force behind Armour Cybersecurity, he has guided the company’s growth into a trusted global security partner for enterprises and small-to-midsized organizations. David combines strategic vision with hands-on expertise to deliver practical, high-impact cyber defence solutions. Learn more here: https://armourcyber.io/Support our show by sharing your favorite episodes with a friend, subscribe, give us a rating or leave a comment on your podcast platform. This podcast is brought to you by LimaCharlie, maker of the SecOps Cloud Platform, infrastructure for SecOps where everything is built API first. Scale with confidence as your business grows. Start today for free at limacharlie.io
- 3 weeks ago31 min
Millions in crypto stolen, Vercel breach, Mastodon DDoS attack, North Korean IT workers at 100s of U.S. companies & ransomware negotiator pleads guilty / Intel Chat [#316]
In this episode of The Cybersecurity Defenders Podcast, we discuss some intel being shared in the LimaCharlie community.North Korea-linked hackers are believed to be responsible for a $290 million cryptocurrency theft targeting the Kelp DAO decentralized finance protocol.Vercel, the company behind the popular Next.js web framework and a frontend cloud platform for deploying and hosting web applications, has confirmed that it suffered a security breach involving unauthorized access to internal systems.The decentralized social media platform Mastodon experienced a major distributed denial-of-service attack that caused a significant outage on its flagship server, Mastodon.social.Two U.S. nationals have been sentenced for helping North Korean remote IT workers fraudulently obtain jobs at more than 100 U.S. companies using stolen American identities.A former ransomware negotiator has pleaded guilty to conspiring with the BlackCat/ALPHV ransomware group to conduct attacks against U.S. organizations in 2023.Support our show by sharing your favorite episodes with a friend, subscribe, give us a rating or leave a comment on your podcast platform.This podcast is brought to you by LimaCharlie, maker of the SecOps Cloud Platform, infrastructure for SecOps where everything is built API first. Scale with confidence as your business grows. Start today for free at limacharlie.io.
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About The Cybersecurity Defenders Podcast
An accessible but technical podcast about cybersecurity and the people who keep the internet safe. The podcast is built as a series of segments: we will be looking back at the last couple of weeks in cybersecurity news, talking to different people in the industry about areas of their expertise, we're going to break apart some of the TTPs being used by adversaries, and we will even cover a little bit of hacker history.
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