

Cybersecurity Headlines
CISO Series
Daily stories from the world of information security. To delve into any daily story, head to CISOseries.com.
Episodes
Mentioned books

20 snips
Oct 17, 2025 • 36min
Week in Review: Velociraptor pushes LockBit, Hartman loses nomination, Sotheby's cyberattack
This week features Tom Hollingsworth, a networking advisor at The Futurum Group known as the Networking Nerd, and Brett Conlon, CISO at American Century Investments. They dive into the implications of the F5 hack, comparing it to past supply-chain incidents like SolarWinds. The misuse of Velociraptor by ransomware groups raises alarms about security tool co-optation. They also discuss the lessons learned from Sotheby's breach on resilience and the alarming 32% surge in identity attacks driven by stolen passwords, advocating for stronger security measures.

16 snips
Oct 17, 2025 • 9min
Sotheby's suffers cyberattack, Cisco "Zero Disco' attacks, Microsoft revokes ransomware certificates
Sotheby’s has fallen victim to a cyberattack, with hackers stealing sensitive financial data. Meanwhile, hackers are exploiting a flaw in Cisco's SNMP for a campaign known as Operation Zero Disco, deploying Linux rootkits. Microsoft has taken significant action by revoking over 200 malware signing certificates to counter ransomware threats. In other news, a phishing scam is targeting LastPass users, impersonating the service with fake updates, while credential-based identity attacks have surged by 32% due to stolen passwords.

Oct 16, 2025 • 9min
MANGO discloses data breach, Jewelbug infiltrates Russian IT network, nation-state behind F5 attack?
MANGO discloses a data breach linked to a compromised marketing vendor, exposing customer data while financials remain secure. The threat group Jewelbug stealthily infiltrates a Russian IT provider for five months. F5 faces a major breach by a nation-state actor, prompting emergency directives for federal patching. Additionally, vulnerabilities in Windows Server updates cause Active Directory sync issues, while leaky VS Code extensions risk exposing sensitive credentials. Lastly, Whisper 2FA phishing attempts surge, highlighting evolving security threats.

Oct 15, 2025 • 8min
Legacy Windows protocols expose theft, Fortra admits GoAnywhere defect, Taiwan claims surge in Chinese attacks
Researchers uncover that legacy Windows protocols, like LLMNR and NetBIOS, are vulnerable to credential theft. Fortra admits a flaw in GoAnywhere was actively exploited, raising concerns about leaked keys. Taiwan reports a significant rise in cyber-attacks from China, especially leading up to elections. Additionally, an Android exploit called Pixnapping steals screen data, even capturing 2FA codes. Major breaches like the Qantas data leak and CLOP's claim of stealing 1.3 terabytes from Harvard are also highlighted.

Oct 14, 2025 • 9min
Salesforce data leak, SimonMed breach, Chipmaker vs. Dutch government
A massive Salesforce data leak exposes millions of records, igniting concerns over data privacy. The breach at SimonMed escalates dramatically, affecting over 1.2 million patients. Meanwhile, the Dutch government takes decisive action to freeze a Chinese-owned chipmaker amid security worries. Law enforcement faces challenges with cybercrime forums despite recent takedowns. Additionally, Oracle's E-Business Suite suffers a zero-day exploit impacting Harvard, and JPMorgan commits $10 billion to bolster U.S. national security.

Oct 13, 2025 • 9min
Velociraptor pushes LockBit, Spain dismantles crime group, SonicWall SSL VPN breach
Discover how attackers exploited an old Velociraptor tool for ransomware access and the dismantling of a cybercrime group in Spain. Learn about the widespread compromise risk affecting SonicWall SSL VPNs. Delve into the impact of a significant cyberattack on Sugar Land's municipal services. Plus, hear about payroll hijacking tactics targeting HR platforms and a smishing scam masquerading as New York tax communications. Stay informed and prepared with the latest in cybersecurity news!

12 snips
Oct 10, 2025 • 39min
Week in Review: Crowdsourced ransomware campaign, Windows 10 woes, California opts out
Mike Lockhart, CISO at EagleView, shares his expertise on operational cybersecurity, while Dustin Sachs, Chief Technologist at Cyber Risk Collective, delves into threat behaviors. They discuss the rise of crowdsourced ransomware tactics and how these approaches challenge traditional defenses. Additionally, they address California's new privacy law and its implications, alongside the looming end-of-life deadline for Windows 10, urging proactive strategies for organizations to mitigate risks. Listen for insights on adapting to a rapidly evolving threat landscape!

33 snips
Oct 10, 2025 • 9min
Microsoft Azure outage, law firm cyberattack, Russian hacktivists pwned
A major outage disrupted access to Microsoft 365 services due to failures in Azure's infrastructure. Meanwhile, a prestigious U.S. law firm faced a serious email compromise linked to state-sponsored hacking. Pro-Russian hacktivists were caught off guard when they targeted a decoy water treatment facility. Additionally, unauthorized access to SonicWall cloud backups raised security concerns, and two teenagers were arrested in connection with a ransomware attack exposing sensitive data. AI-generated evidence made waves in an arson investigation.

8 snips
Oct 9, 2025 • 8min
DeepMind fixes vulnerabilities, California offers data opt-out, China-Nexus targets open-source tool
Google DeepMind's AI agent, CodeMender, skillfully finds and fixes software vulnerabilities. Meanwhile, California has implemented a novel law that allows consumers to easily opt out of data sharing through their browsers. In darker news, China-linked actors have been exploiting the Nezha open-source tool for malware deployment. The episode also touches on increasing cyber threats, with Russian hackers leveraging AI for sophisticated attacks and a new phishing campaign targeting job seekers.

16 snips
Oct 8, 2025 • 8min
North Korean attackers steal crypto. Who's sending UK phones to China? Avnet confirms data breach
North Korean hackers have escalated their operations, reportedly stealing over $2 billion in cryptocurrency. A troubling investigation reveals a gang smuggling thousands of stolen UK phones to China. Avnet has confirmed a significant data breach, but claims the stolen information is mostly unreadable. Hospitals face risks too, with patient data exposed from a Florida medical facility. Meanwhile, a Redis vulnerability threatens around 60,000 servers, prompting urgent security patches.


