The cybersecurity business landscape is heating up with massive M&A deals and significant funding rounds, dominated by investments in AI-native platforms and cloud identity management. Join us as we track the capital flowing into startups like Apono, Doppel, and Mate, revealing the industry's focus on automation and agentic security solutions.

This week on the Cyber Street Journal, we dive deep into the massive M&A deals shaping the industry, including Google's record-breaking $32 billion acquisition of Wiz, and analyze Armis's pre-IPO momentum following a $435 million funding round and $6.1 billion valuation. We also explore the explosion of startup investment in AI-powered defense, identity security, and threat exposure management, highlighted by Tenzai’s massive $75 million seed round and Truffle Security’s Series B success.

This week on Cyber Street Journal, we dive into the massive capital flowing into the cybersecurity ecosystem, highlighted by major M&A deals and explosive Series A and B funding rounds. We explore how startups are leveraging billions to tackle challenges from post-quantum encryption to identity access management and the pervasive risks of generative AI adoption.

This week on Cyber Street Journal, we dissect a flurry of major cybersecurity investment activity, including Veeam's massive $1.725 billion acquisition of Securiti AI and Chainguard's stunning $280 million growth funding round. We also dive into the burgeoning market for securing AI agents, highlighted by significant Series A and Series B raises from startups Keycard and Defakto.

This week on the Cyber Street Journal, we dive deep into the capital flow supporting cyber defense, highlighting major funding rounds for firms like Resistant AI and Realm.Security. We also examine SentinelOne’s latest $225 million acquisition of Observo AI and discuss Born Defense's unique investment issuer model challenging traditional VC structures.

September 2025 saw more than forty major cybersecurity deals — from billion-dollar operational-technology acquisitions to AI-focused investments redefining how we protect enterprise systems. It’s clear: the next frontier of cybersecurity isn’t just about blocking attacks, it’s about integrating intelligence, automation, and resilience into every layer of the digital ecosystem.

We’ll explore how companies like Check Point, CrowdStrike, and Mitsubishi Electric are positioning themselves for an AI-secure future, why identity, compliance, and SASE platforms are becoming central to market consolidation, and what these moves signal for both innovators and defenders across the industry.

Cyber Street Journal is where cybersecurity meets Wall Street. Hosted by Mike Housch, this show dives into the business side of cyber — covering mergers and acquisitions, funding rounds, startup spotlights, and the financial forces shaping the security industry. If you want to understand not just the hacks, but the money behind the headlines, this is your insider journal.