David Mytton

Founder & CEO, Arcjet · 1 appearance on the record.

computed by AI from the episodes · how this works → · full disclaimer →

founderexecutiveinvestoracademic@davidmytton ↗LinkedIn ↗davidmytton.blog ↗

David Mytton is the founder and CEO of Arcjet, an application security platform providing developers with in-code defenses against malicious bots and AI prompt injection. He previously founded Server Density, co-founded Console, and researches sustainable computing at the University of Oxford.

14statements → 11claims → 5claims resolved → 60%fully supported → 3.86/5average certainty → 2/5average debate potential →

3 supported 2 partly supported 0 contradicted 6 not checkable as stated how the 11 claims stand · each chip opens the sources

3 predictions · 8 assertions · 1 opinion · 2 insights · every statement was checked. The predictions and assertions are the 11 claims: statements the public record can support or contradict. 5 are resolved, and 6 name no date, number or outcome precise enough to check. Everything else (opinions, insights, what ifs, disclosures) can never be settled by the record, so it carries no assessment.

The record, in short

What the tape says about how David argues and how the claims held up. Everything they said, and everything said about them, is in the tabs below.

Their most notable supported claim

Assertion Supported

Mytton: 50% of Current Internet Traffic Comes From Automated Bots

“50% of traffic is already bots, it's already automated”

David Mytton Jun 16, 2025 ▶ 16:52 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Expressed certainty vs assessment result

none yet certainty 1

none yet certainty 2

100% certainty 3

75% certainty 4

none yet certainty 5

weighted support: a fully supported claim counts one, a partly supported claim counts half. Each filled bar is clickable and opens exactly those claims; "none yet" means nothing said at that certainty level has resolved yet

How they sound: speaking style how? →

257 words/min while actually speaking · 9.3 um and uh per 1k words

No argument clarity score for David Mytton: no usable question→answer exchanges on raw tape (a fair score needs 8+). We do not score a sample that small. Roundtable and news formats yield far fewer direct exchanges than interviews.

Measured by listening to the audio itself: 3,652 words across 1 episode of raw-level tape, transcribed verbatim with every um and uh kept, each one attributed only where the alignment onto our timed stream is unambiguous. These are measurements of speaking style. We do not rank them: across this corpus, fluency and argument quality are nearly uncorrelated (ρ≈0.2), and smooth talking does not signal clear thinking. How it's measured →

What they said14 Episodes1

Everything David Mytton said on the a16z Podcast that made the record, most notable first. Filter by type, assessment or year in the ledger →

Assertion Supported

Mytton: 50% of Current Internet Traffic Comes From Automated Bots

“50% of traffic is already bots, it's already automated”

David Mytton Jun 16, 2025 ▶ 16:52 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Prediction Not checkable as stated

Mytton: Web Traffic From Autonomous AI Agents Will Explode

“We're going to see an explosion in the traffic that's coming from these tools”

David Mytton Jun 16, 2025 ▶ 17:08 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Opinion

Mytton: Blanket Blocking of AI Traffic Is the Wrong Security Strategy

“Just blocking them just because they're AI is the wrong answer.”

David Mytton Jun 16, 2025 ▶ 17:12 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Insight

Mytton: E-commerce sites should flag suspicious transactions, not block them

“If you're running an e-commerce operation, an online store, the worst thing you can do is block a transaction because then you've lost the revenue. Usually you want to then flag that order for review.”

David Mytton Jun 16, 2025 ▶ 2:59 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Assertion Not checkable as stated

Mytton: DDoS protection has become a commodity handled by cloud providers

“The DDoS problem is still there, but it's just almost handled as a commodity these days. The network provider, your cloud provider, They'll just deal with it. And so when you're deploying an application, most of the time you just don't have to think about it.”

David Mytton Jun 16, 2025 ▶ 0:53 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Insight

Mytton: Non-DDoS web security requires application-level context

“So a volumetric DDoS attack, you just want to block that at the network. You never want to see that traffic, but everything else needs the context of the application.”

David Mytton Jun 16, 2025 ▶ 2:26 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Assertion Supported

Mytton: Newer bots use robots.txt to target restricted site areas

“And, but there are newer bots that are ignoring it or even sometimes using it as a way to find the parts of your site that you don't want it to access. And they will just do that anyway.”

David Mytton Jun 16, 2025 ▶ 6:24 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Assertion Not checkable as stated

Mytton: Websites in AI search indexes gain more traffic and signups

“As we were seeing, sites are getting more signups, they're getting more traffic.”

David Mytton Jun 16, 2025 ▶ 7:46 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Assertion Not checkable as stated

Mytton: Residential IP Proxies Render Basic ISP Blocks Ineffective

“And then you have the compounding factor of the abusers will purchase access to proxies which run on residential IP addresses. So you can't easily rely on the fact that it's part of a home ISP block anymore.”

David Mytton Jun 16, 2025 ▶ 11:49 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Prediction Not checkable as stated

Mytton: AI crawlers will increasingly adhere to web rules within 18 months

“And so over the next 18 months, I think we'll see more of that, more of the AI crawlers that we want, following the rules, doing things in the right way. And it will start to split into making it a lot easier to detect the bots with criminal intent, and those …”

David Mytton Jun 16, 2025 ▶ 19:05 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Prediction Held up

Mytton: Low-memory edge AI models will be deployed within years

“We're already seeing new edge models designed to be deployed to mobile devices and IOT that use very low amounts of system memory and can provide inference responses within milliseconds. I think those are going to start to be deployed to applications over the …”

David Mytton Jun 16, 2025 ▶ 21:32 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Assertion Not checkable as stated

Mytton: Edge inference can filter click spam before ad auctions occur

“Super fast inference on the edge coming into a decision and for advertisers stopping click spam, that's a huge problem and being able to come to that decision before it even goes through your ad model and the auction system.”

David Mytton Jun 16, 2025 ▶ 23:54 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Assertion Partly supported

Mytton: OpenAI operates four to five distinct bot types

“Particularly with AI coming in where something like OpenAI has four or five different types of bots, and some of them you might want to make a more restrictive decision over, but then others are going to be taking actions on behalf of a user search.”

David Mytton Jun 16, 2025 ▶ 4:03 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Assertion Partly supported

Mytton: Googlebot and OpenAI Bots Can Be Validated via Reverse DNS

“And Googlebot, OpenAI, they tell you who they are, and then you can verify that by doing a reverse DNS lookup on the IP address.”

David Mytton Jun 16, 2025 ▶ 12:30 AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense

Appearances (1)

Episode	Date	Speaking time
AI is Revolutionizing Web Security - Bots, Agents, & Real-Time Defense	Jun 16, 2025	16m

David Mytton

The record, in short

Their most notable supported claim

Expressed certainty vs assessment result

How they sound: speaking style how? →

Appearances (1)

Turn any episode into a week of clips.