Jan 2, 2019 · 19m · a16z
a16z Podcast | Securing Infrastructure and Enterprise Services
gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
In this live episode of the a16z podcast recorded at the a16z Summit, moderator Ben Horowitz leads a discussion with enterprise leaders Dominic Schein (News Corp), Brad Peterson (NASDAQ), and Frederick Karest (Okta) on securing mobile platforms, cloud infrastructure, IoT threats, and third-party vendor risks.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. How this is scored →
speaking balance: gold is the host, purple is the guest (3 minute bins)
Brad Peterson counters Ben's proposition that blockchain will replace exchanges like NASDAQ, reframing the exchange's role around issuer listings and re-engineering middle-layer record keeping.
Hardest push from the host ▶ 15:11 Challenging exchange air-gappingBen Horowitz refuses Brad Peterson's premise that permissioned financial networks are shielded from internet threats, pointing out that external applications must still enter indirectly.
Biggest teaching moment ▶ 3:44 History of distributed exchange architectureBrad Peterson educates the panel on how 1970s mainframe limits forced stock exchanges into centralized depositories, and how blockchain modernizes that original vision.
The host holds their own ▶ 10:45 Citing supply-chain hardware vulnerabilitiesBen Horowitz showcases deep technical expertise by explaining a precise hardware exploit where flawed Chinese DVR chips were leveraged for a massive DNS denial-of-service attack.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | The host as informed peer | Guest teaching | Guest disagreement | The host pushing back | Why |
|---|---|---|---|---|---|---|
| Media Mobility and Security at News Corp | 6 | 6 | 1 | 2 | Ben demonstrates strong domain knowledge regarding blockchain order handling and high-frequency trading latency risks. Brad Peterson provides detailed historical context on centralized depositories and risk engineering in stock exchange architecture. | |
| Enterprise Mobile Platform Strategy | 4 | 4 | 1 | 1 | Ben frames the structural challenge of enterprise mobile adoption and expanded attack surfaces. Dominic and Freddie explain unified API deployment platforms and device OS security capabilities. | |
| Financial Transaction Security on Mobile and Cloud | 7 | 5 | 1 | 2 | Ben demonstrates technical depth by citing a specific hardware supply-chain exploit in Chinese DVR chips that caused a DNS infrastructure DDoS attack. Freddie expands on IoT vulnerabilities across consumer and utility infrastructure. | |
| Vendor Risk Management and Critical Infrastructure Defense | 6 | 5 | 2 | 3 | Ben pushes on vendor reliance and exchange network entry points. Brad explains critical infrastructure intelligence sharing while clarifying how access models have evolved since the early web. | |
| Q&A: Vendor Consolidation, Spending, and Behavioral Analysis | 4 | 5 | 0 | 0 | Ben directs Q&A questions regarding vendor consolidation and spending reallocation. Dominic outlines red team testing while Brad details insider threat behavioral monitoring. | |
| Panel Conclusion and Remarks | 0 | 0 | 0 | 0 | Ben thanks the panelists and concludes the session with standard closing remarks. |