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Cybersecurity Headlines

Daily stories from the world of information security. To delve into any daily story, head to CISOseries.com.

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All Episodes

07:22

New OpenAI cyber product, unauthorized Mythos access,...

Cybersecurity Headlines ·

2026/04/23

OpenAI shares cyber product with government orgs Unauthorized Mythos access, Firebox bugs fixed by Mythos Insurers move to cap LLMjacking cyber payouts Get the show notes here: https://cisoseries.com/cybersecurity-news-new-openai-cyber-product-unauthorized-mythos-access-insurers-to-cap-llmjacking-payouts/ Huge thanks to our sponsor, ThreatLocker ThreatLocker is extending Zero Trust beyond endpoint control. With their recent releaseof Zero Trust Network Access and Zero Trust Cloud Access, access

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07:33

CISA lacks Mythos, Lovable's leak by design,...

Cybersecurity Headlines ·

2026/04/22

CISA lacks Mythos access Lovable denies data leak YouTube opens up deepfake detection tool Get the show notes here: https://cisoseries.com/cybersecurity-news-cisa-lacks-mythos-lovables-leak-by-design-youtubes-deepfake-detection/ Huge thanks to our sponsor, ThreatLocker ThreatLocker is extending Zero Trust beyond endpoint control. With their recent releaseof Zero Trust Network Access and Zero Trust Cloud Access, access isn't based on credentials alone, it requires the right user, the right device,

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07:39

Vercel breach, ZionSiphon targets water...

Cybersecurity Headlines ·

2026/04/21

Vercel confirms breach, stolen data for sale ZionSiphon targets water infrastructure Bluesky blames outage on DDoS Get the show notes here: https://cisoseries.com/cybersecurity-news-vercel-breach-zionsiphon-targets-water-infrastructure-bluesky-ddos/ Huge thanks to our sponsor, ThreatLocker ThreatLocker is extending Zero Trust beyond endpoint control. With their recent releaseof Zero Trust Network Access and Zero Trust Cloud Access, access isn't based on credentials alone, it requires the right

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08:50

London hospital ransomware legacy, PowerOFF takedown,...

Cybersecurity Headlines ·

2026/04/20

London hospitals continue to suffer from 2024 ransomware attack Four arrested in PowerOFF takedown Microsoft Defender "RedSun" zero-day Get the show notes here: https://cisoseries.com/cybersecurity-news-london-hospital-ransomware-legacy-poweroff-takedown-microsoft-redsun-zero-day/ Huge thanks to our sponsor, ThreatLocker ThreatLocker is extending Zero Trust beyond endpoint control. With their recent releaseof Zero Trust Network Access and Zero Trust Cloud Access, access isn't based

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38:04

The Department of Know: Mythos Mayhem, critical...

Cybersecurity Headlines ·

2026/04/17

Link to episode page This week's Department of Know is hosted by Rich Stroffolino, with guests Andrew Storms, security engineering, Kilo Code, and Eduardo Ortiz-Romeu, VP, global head of cybersecurity, Techtronic Industries. Missed the live show? Check it out on YouTube. Huge thanks to our sponsor, Conveyor Happy Friday. Hope there isn't a fresh security questionnaire sitting in your inbox right now. If there is, here's something worth knowing. The teams that have fully automated their customer

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08:00

Cisco Webex warning, Splunk's Enterprise fix, Git...

Cybersecurity Headlines ·

2026/04/17

Cisco posts urgent Webex Services warning Splunk issues fixes for Enterprise vulnerability Git identity spoof tricks Claude into approving bad code Get the show notes here: https://cisoseries.com/cybersecurity-news-cisco-webex-warning-splunks-enterprise-fix-git-spoof-tricks-claude/ Huge thanks to our sponsor, Conveyor Happy Friday. Hope there isn't a fresh security questionnaire sitting in your inbox right now. If there is, here's something worth knowing. The teams that have fully automated their

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06:35

OpenAI's GPT-5.4-Cyber, McGraw Hill blames Salesforce...

Cybersecurity Headlines ·

2026/04/16

OpenAI rolls out GPT-5.4-Cyber McGraw Hill breach due to Salesforce misconfig Signed adware operation disables antivirus Get the show notes here: https://cisoseries.com/cybersecurity-news-openais-gpt-5-4-cyber-mcgraw-hill-blames-salesforce-for-breach-signed-adware-disables-antivirus/ Huge thanks to our sponsor, Conveyor At some point, every fast-growing SaaS team hits the same wall. The trust center is live. The SOC 2 is published. And somehow the security questionnaires just keep piling up

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07:29

Ransomware drama, faked Ledger app, Treasury wants...

Cybersecurity Headlines ·

2026/04/15

Ransomware rivals turn on each other Fake Ledger app drains millions in crypto US Treasury wants access to Mythos Get the show notes here: https://cisoseries.com/cybersecurity-news-ransomware-drama-faked-ledger-app-treasury-wants-mythos/ Huge thanks to our sponsor, Conveyor Your trust center was a great start. But if your team is still manually answering questionnaires and fielding sales questions, it hasn't solved the problem. Conveyor goes beyond a trust center. You get a living knowledge

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07:34

Claude Mythos Preview's capabilities, Anodot breached...

Cybersecurity Headlines ·

2026/04/14

Claude Mythos Preview's cyber capabilities Anodot hack leaves breached companies facing extortion wolfSSL library flaw enables forged certificate use Get the show notes here: https://cisoseries.com/cybersecurity-news-claude-mythos-previews-capabilities-anodot-breached-companies-face-extortion-wolfssl-flaw-enables-forged-certificates/ Huge thanks to our sponsor, Conveyor Three tools to manage customer security reviews is two too many. Most teams start with a trust center, bolt on a questionnaire

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01:17

The Department of Know is Moving to Fridays

Cybersecurity Headlines ·

2026/04/13

A quick announcement: we're moving our Department of Know livestream to Fridays at 4pm ET/1 pm PT. The format will remain the same. We hope to see you there.

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07:07

Adobe patches zero-day, Marimo flaw exploited, Venice...

Cybersecurity Headlines ·

2026/04/13

Adobe patches months-old Reader zero-day Critical Marimo flaw now under active exploitation Hackers claim control over Venice anti-flood pumps Get the show notes here: https://cisoseries.com/cybersecurity-news-adobe-patches-zero-day-marimo-flaw-exploited-venice-flood-threat/ Huge thanks to our sponsor, Conveyor Still manually filling out security questionnaires even though you have a trust center? A starter trust center is table stakes and the best security teams have moved way past that.

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08:38

Android API exposure, Acrobat Reader zero-day,...

Cybersecurity Headlines ·

2026/04/10

Google API keys in Android apps expose Gemini endpoints Acrobat Reader zero-day flaw exploited since December Cryptocurrency ATM company Bitcoin Depot reports cyberattack Check out our show notes here: https://cisoseries.com/cybersecurity-news-android-api-exposure-acrobat-reader-zero-day-bitcoin-depot-cyberattack/ Huge thanks to our episode sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and

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07:26

ChipSoft popped, APT28 updates, CIA cyber espionage...

Cybersecurity Headlines ·

2026/04/09

Ransomware knocks Dutch healthcare vendor offline APT28 is keeping busy CIA quietly elevated its cyber espionage division Check out our show notes here: https://cisoseries.com/cybersecurity-news-chipsoft-popped-apt28-updates-cia-cyber-espionage-elevation/ Huge thanks to our episode sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and customer trust together on one AI-powered platform. So whether

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07:17

Anthropic's Project Glasswing, CISA funding in doubt,...

Cybersecurity Headlines ·

2026/04/08

Anthropic announces Project Glasswing U.S. seeks to slash CISA funding Russia-linked hackers hijack routers for passwords Check out our show notes here: https://cisoseries.com/cybersecurity-news-anthropics-project-glasswing-cisa-funding-in-doubt-routers-hijacked-for-passwords/ Huge thanks to our episode sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and customer trust together on one AI-powered

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07:41

Drift blames exploit on North Korea, GitHub attacks...

Cybersecurity Headlines ·

2026/04/07

Drift says exploit was North Korean intelligence operation GitHub used in multi-stage attacks targeting South Korea Data leak threatened after Die Linke attack Check out our show notes here: https://cisoseries.com/cybersecurity-news-drift-blames-exploit-on-north-korea-github-attacks-target-south-korea-die-linke-breach-threatens-data-leak/ Huge thanks to our episode sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings

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31:35

Department of Know: Axios malware, TeamPCP campaign,...

Cybersecurity Headlines ·

2026/04/06

Link to episode page This week's Department of Know is hosted by Sarah Lane, with guests Jack Kufahl, CISO, Michigan Medicine, and Adam Palmer, CISO, First Hawaiian Bank. Missed the live show? Check it out on YouTube. Huge thanks to our sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and customer trust together on one AI-powered platform. So whether you're prepping for a SOC 2 or running an

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08:58

Malicious npm packages, CISA budget cuts, hackers...

Cybersecurity Headlines ·

2026/04/06

36 Malicious npm packages exploited to deploy persistent implants Hundreds of millions to be cut from CISA in proposed budget Hackers exploit React2Shell in automated credential theft campaign Check out our show notes here: https://cisoseries.com/cybersecurity-news-malicious-npm-packages-cisa-budget-cuts-hackers-exploit-react2shell/ Huge thanks to our episode sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings

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08:15

Texas hospital breach, CISA orders NetScaler patch,...

Cybersecurity Headlines ·

2026/04/03

250,000 affected by data Breach at Texas hospital CISA says, "patch Citrix NetScaler bug by Thursday" Researchers uncover mining operation using ISO lures Get the show notes here: https://cisoseries.com/cybersecurity-news-texas-hospital-breach-cisa-orders-netscaler-patch-iso-file-rat-warning/ Huge thanks to our sponsor, ThreatLocker Security controls fail when they break the business. Successful teams phase in protections gradually — starting with visibility, then moving to enforcement. That

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06:45

New iOS patches over DarkSword, FBI: surveillance...

Cybersecurity Headlines ·

2026/04/02

Apple pushes new patches over DarkSword FBI: US surveillance hack is major incident Cisco code stolen in Trivy-linked breach Get the show notes here: https://cisoseries.com/cybersecurity-news-apple-pushes-new-patches-over-darksword-fbi-us-surveillance-hack-is-major-incident-cisco-code-stolen-in-trivy-linked-breach/ Huge thanks to our sponsor, ThreatLocker Detection-based security assumes you'll catch an attack in time. Control-based security assumes you won't. That mindset shift is driving more

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08:08

macOS Terminal ClickFix attacks, Russian court...

Cybersecurity Headlines ·

2026/03/31

macOS Terminal gets ClickFix attacks Russian court sentences 'Flint' over card fraud CareCloud probes data breach Get the show notes here: https://cisoseries.com/cybersecurity-news-macos-terminal-clickfix-attacks-russian-court-sentences-flint-carecloud-probes-data-breach/ Huge thanks to our sponsor, ThreatLocker Ransomware doesn't need to be sophisticated if it's allowed to execute. A growing number of security teams are shifting focus from detecting ransomware to preventing execution in the first

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1,717 results

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