Cisco Zero-Day and the $35 Million L3Harris Insider Leak [Prime Cyber Insights]

This episode of Prime Cyber Insights investigates a critical security failure in Cisco's SD-WAN infrastructure, where a maximum-severity zero-day (CVE-2026-20127) has been exploited since 2023 to manipulate network fabrics. We also detail the sentencing of former L3Harris executive Peter Williams, who was handed 87 months for selling proprietary hacking tools to Russian brokers for $1.3 million. The discussion expands to the massive Conduent data breach, which has grown from 10 million to over 25 million affected individuals, impacting state Medicaid and SNAP programs across the U.S. Guest Chad Thompson joins to provide a systems-level perspective on how these incidents redefine enterprise risk and the evolving threat of social engineering, specifically highlighting new recruitment tactics by the Scattered Lapsus$ Hunters group targeting IT helpdesks.

[00:00] Announcer: From Neural Newscast, this is Prime Cyber Insights, Intelligence for Defenders, Leaders, and Decision Makers.
[00:06] Aaron Cole: Welcome to Prime Cyber Insights for February 26, 2026. I'm Aaron Cole, and we are tracking
[00:13] Aaron Cole: several massive stories that are shaking the foundations of enterprise and national security today.
[00:20] Aaron Cole: And I'm Lauren Mitchell.
[00:21] Chad Thompson: We're starting with a maximum severity Cisco Zero Day that's been active for years, plus a major sentencing in a high-profile defense contractor leak.
[00:31] Chad Thompson: Joining us today is Chad Thompson, a director-level AI and security leader with a systems-level perspective on automation, enterprise risk, and operational resilience.
[00:42] Chad Thompson: Chad, great to have you.
[00:43] Lauren Mitchell: Great to be here, Lauren.
[00:48] Lauren Mitchell: We're seeing a real collision between infrastructure vulnerabilities and sophisticated human-driven threats right now.
[00:55] Aaron Cole: Let's dive right into that Cisco news, Lauren.
[00:57] Aaron Cole: This is CVE 2026-20127, a perfect 10 out of 10 on the severity scale.
[01:05] Aaron Cole: CISA just added it to the Known Exploited Vulnerabilities Catalog.
[01:09] Chad Thompson: Exactly, Aaron. This flaw in the Cisco Catalyst SD-WAN has been exploited since at least 2023
[01:18] Chad Thompson: by a group tracked as UAT minus 8616. They've been using it to add rogue peers and manipulate
[01:26] Chad Thompson: the network fabric itself. Chad, from a risk perspective, what's most concerning about a
[01:33] Chad Thompson: two-year-old zero day finally surfacing? The persistence is the issue.
[01:39] Lauren Mitchell: by downgrading firmware and then covering their tracks.
[01:44] Lauren Mitchell: These actors have had root access for years.
[01:48] Lauren Mitchell: It shows that even in highly automated SDWAN environments,
[01:54] Lauren Mitchell: the visibility into the how and when of configuration changes is still
[01:59] Lauren Mitchell: You know, a massive operational blind spot for most enterprises.
[02:04] Aaron Cole: That's notable, Lauren.
[02:06] Aaron Cole: And we're seeing that insider knowledge theme play out in a big way with Peter Williams.
[02:11] Aaron Cole: The former L3 Harris executive was just sentenced to 87 months for selling zero-day exploits to the Russian broker Operation Zero for over a million dollars.
[02:22] Chad Thompson: It's a staggering breach of trust, Aaron. Williams allegedly stole tools worth $35 million to Trenchant.
[02:31] Chad Thompson: Chad, you focus on systems-level resilience.
[02:35] Chad Thompson: How does an organization even begin to defend against a general manager with full network access who is actively framing other employees?
[02:45] Lauren Mitchell: It's the hardest problem in security.
[02:48] Lauren Mitchell: I mean, you can't just rely on access controls when the person in charge of them is the adversary.
[02:55] Lauren Mitchell: It requires decoupled audit logs and behavioral analytics that don't live on the same network that the executive manages.
[03:04] Lauren Mitchell: This case is a wake-up call for the defense industrial base regarding intellectual property protection.
[03:12] Aaron Cole: Speaking of scale, the Conduant breach just exploded from 10 million to 25 million affected individuals.
[03:20] Aaron Cole: We're talking about Texas and Oregon state benefits, social security numbers, and 8 terabytes of data exfiltrated by the Safe Pay ransomware gang.
[03:31] Chad Thompson: Absolutely, Aaron. It's a classic third-party blind spot.
[03:34] Chad Thompson: People don't even know who Conduant is, but they process the Medicaid and SNAP benefits those people rely on.
[03:41] Chad Thompson: Combined with the news that groups like scattered lapsus dollar hunters are now recruiting female voices on Telegram to social engineer help desks,
[03:50] Chad Thompson: the human element of security is under massive pressure.
[03:53] Lauren Mitchell: That's right. Whether it's the Conduant scale or the help desk ruses, the goal is always the same.
[04:01] Lauren Mitchell: Leverage the weakest point in the chain.
[04:04] Lauren Mitchell: often the third-party processor or the service agent,
[04:08] Lauren Mitchell: to gain high-level credentials.
[04:11] Lauren Mitchell: A verification must move beyond voice-only calls immediately.
[04:15] Aaron Cole: Urgency is the word of the day.
[04:18] Aaron Cole: Chad, thanks for joining us to break this down.
[04:20] Aaron Cole: For Prime Cyber Insights, I'm Aaron Cole.
[04:23] Chad Thompson: And I'm Lauren Mitchell.
[04:25] Chad Thompson: Stay resilient and we'll see you next time.
[04:28] Chad Thompson: You can find more resources at pci.neuronnewscast.com.
[04:33] Chad Thompson: Neural Newscast is AI-assisted, human-reviewed.
[04:38] Chad Thompson: View our AI transparency policy at neuralnewscast.com.
[04:42] Announcer: This has been Prime Cyber Insights on Neural Newscast.
[04:46] Announcer: Intelligence for defenders, leaders, and decision makers.
[04:49] Announcer: Neural Newscast uses artificial intelligence in content creation
[04:53] Announcer: with human editorial review prior to publication.
[04:56] Announcer: While we strive for factual, unbiased reporting, AI-assisted content may occasionally contain
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Cisco Zero-Day and the $35 Million L3Harris Insider Leak [Prime Cyber Insights]
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