November 19–20, 2026

Akihabara UDX · Tokyo, Japan

TenguCon 3.0

Human resistance in the age of machine authority.

Two days of security research, hands-on hacking, and hacker culture. Built by TenguSec. Open to the curious.

THE FUTURE IS NOT SET

THE GATHERING

Two days with the people behind the research.

TenguCon brings together the people who build, break, and defend technology. Researchers, practitioners, students, and first-time conference goers share the same room—and the same curiosity.

Come for the technical talks. Stay for the conversations, the hardware, and the ideas you will take home. This is TenguSec’s yearly gathering of the international hacker community in Tokyo.

2days in Tokyo
13research talks
2interactive villages

HEADLINE KEYNOTE

60-minute keynote

The Triforce.

Joe Grand (Kingpin), Iceman, and YTCracker share one stage for TenguCon 3.0’s joint keynote.

Full session details to be announced.
  • Joe Grand Kingpin
  • Iceman
  • YTCracker

FOLLOW YOUR CURIOSITY

Talks & research

From AI workflows and account takeovers to radio, satellites, and industrial systems. Open a session for the details.

AI & applications45 min

VerticalSideways

Multi-Modal Steganography Attack Chaining: Human-in-the-Oops

How hidden messages in images, code, and text can slip through AI workflows—even with a human in the loop.

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VerticalSideways examines how statistical assumptions in automated classifiers can be exploited through multimodal steganography. Drawing on production-system research that led to a bug bounty, a fix, and a second bypass, the session connects image-based XSS, blind SSRF, graphical injection, and business-logic failures. It looks at what happens when automated systems and their human reviewers share the same blind spots.

For: AI security teams, bug bounty hunters, researchers, and students

Defense & infrastructure30 min

Dave Lewis / gattaca

The Key Is Already Stolen

Stolen sessions, token markets, and the defenses that matter after an attacker gets past the login screen.

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A stolen session can give an attacker access without another password or MFA prompt. Dave Lewis traces the token-theft supply chain, from infostealer infections and log markets to access brokers, OAuth abuse, and adversary-in-the-middle campaigns. The session closes with a vendor-neutral checklist covering device verification, phishing-resistant authentication, session visibility and revocation, and credentials used by machines and AI agents.

For: Security practitioners and anyone responsible for access to an organization

RF & space45 min

Oksana Verbytska

Ghost Signals Over Kherson: Drone Telemetry, Cyber Targeting, and the New Geometry of War

Reading drone telemetry and recorded radio signals to understand the networks behind modern conflict.

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Drone telemetry, improvised command links, and sensor data reveal more than flight paths. Using open-source observations and civilian research, Oksana Verbytska examines radio fingerprints, software supply chains, mapping overlays, and trust assumptions in autonomous systems. Recorded signals and analysis tools illustrate how researchers interpret, fingerprint, and simulate this data. The focus is analysis and defensive understanding, rather than exploitation techniques.

For: Drone hobbyists, radio enthusiasts, and government or military analysts

Hardware30 min

Goku & Kalev Anri Kalda / kalevak

Ghosts in the Water Closet: Hacking IR in Smart Bidets

A bathroom remote becomes a small hardware mystery about infrared signals, reflections, and unexpected behavior.

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A small black window on a wall-mounted remote sparked a side project into how Japanese bidet controls communicate. Goku and Kalev explore infrared transmissions, reflections from everyday bathroom surfaces, and how devices respond to malformed signals. They share their experiments, unexpected findings, and practical lessons from investigating a familiar household device.

For: Anyone curious about hardware and everyday technology

Hardware30 min

BusesCanFly

Hacking Rovers Worldwide for Fun and Absolutely No Profit

API flaws in a game played through remote-controlled robots—and a reminder of why hacking is fun.

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A worldwide scavenger-hunt game, played through robots connected over 4G and 5G, became an unexpected research project. BusesCanFly follows the API flaws and stories uncovered along the way, then reflects on curiosity-driven hacking in a community shaped by financial incentives and LLMs. The session is an invitation to rediscover experimentation, persistence, and the pleasure of figuring things out.

For: A broadly technical audience, from curious newcomers to experienced hackers

Defense & infrastructure45 min

Anastasia Kovalchuk / Yuki

Black Sea Packet Loss: Cyber Warfare, Maritime Systems, and the Infrastructure Nobody Patches

Maritime cyber risk where shipping, aging industrial technology, and conflict meet.

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Ports connect digital systems to physical supply chains. This talk examines vessel tracking, terminal operating systems, and satellite connectivity under the pressures of conflict and aging operational technology. Anastasia Kovalchuk considers how governments and private operators can model disruptions affecting shipping, grain exports, naval logistics, and emergency response—and what resilience means for the infrastructure behind them.

For: Government, military, maritime, and infrastructure practitioners

RF & space45 min

Ricardo Fradique

Hacking a Space Mission: From Telemetry to Code Execution

Familiar software and protocol weaknesses, from mission control to satellite radio links.

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Space systems can contain the same software, network, and protocol flaws found on Earth. Ricardo Fradique uses demonstrations to examine weaknesses in mission control and onboard software, tracing the attack surface from user-facing systems to the RF links used for communication. The session challenges the assumption that distance, specialist hardware, or an orbital destination is itself a security control.

For: Security practitioners, hackers, and engineers curious about space systems

Hardware45 min

Marouane El Moufid / Eun0us

From Mono Firmware to Modular Research Platform: How Espilon Evolved from Red Team Tool to Community-Driven Security

Turning an ESP32 tool into a modular research platform that can load signed modules without rebuilding everything.

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Espilon began as monolithic ESP32 firmware, where every new capability meant another rebuild and reflash. This session follows its redesign into a modular platform that dynamically loads signed ELF modules into IRAM and PSRAM. It covers binary relocation, fault isolation, and forensics, with examples across ESP32 C6, S3, and classic hardware. Wireless analysis, protocol fuzzing, and other modules show how the platform can support shared security research.

For: Embedded developers, security researchers, IoT testers, and educators

Defense & infrastructure45 min

BobDaHacker

Fake Devs, Real Threat: Disrupting the DPRK IT Worker Pipeline

Inside a honeypot startup built to investigate suspected North Korean IT-worker operations.

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BobDaHacker presents the lifecycle of Daybreak Technologies, a honeypot operation designed to attract and document suspected North Korean IT-worker operatives. The investigation followed eleven people onboarded through job postings and internal referrals, examining recruitment networks, claimed partnerships, and operational-security mistakes. Interview and meeting recordings provide case material for security teams, hiring managers, and those vetting remote contractors.

For: Security teams, hiring managers, trust and safety engineers, and contractor-vetting teams

AI & applications45 min

Kameron Bettridge / Clovis Mint

Prompt to ATO: Hacking Meta for $150K (And How You Can Too)

From prompt-injection basics to Meta AI vulnerabilities that led to account takeover.

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Kameron Bettridge introduces prompt injection, then follows the research behind Meta AI vulnerabilities associated with more than $150,000 in bounties. The session moves from introductory concepts and audience challenges to flaws that led to full Meta.com account takeover. Attendees can try the accompanying web-based challenges on their own devices, including phones.

For: Security practitioners learning AI security and prompt injection

RF & space45 min

Kazuya Moritaka

Ground Zero Day: Creating Earthquakes Like Whitebeard

A vulnerability in an earthquake-warning receiver and the trust placed in radio alerts.

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Earthquake early-warning systems depend on rapid, trusted communication. Kazuya Moritaka examines a vulnerability in a Japanese vendor’s system that allowed an earthquake warning to be spoofed through an RF transmission. The research concerns false warning messages—not the creation of earthquakes—and highlights the security assumptions in a piece of infrastructure familiar to residents of Japan.

For: Residents of Japan and anyone interested in RF or public-warning systems

Defense & infrastructure45 min

Erwan Cordier / biero-el-corridor

Warez for OT software: a dive into ICS software file security and the black market surrounding it.

An investigation into industrial-software warez and the changing security of engineering workstations.

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The warez ecosystem extends into software used to automate and control industrial systems. This talk combines OSINT investigation of that ecosystem with technical analysis of software from major manufacturers. It examines the capabilities of participants and the evolution of password protections in engineering workstation software, connecting underground activity to practical questions about ICS software security.

For: Beginner and intermediate technical audiences interested in OT and ICS

Defense & infrastructure45 min

Andrew Strutt / r0d3nt

Hunting Hackers in Two Worlds: From Wild to Wire

What wildlife tracking and the Japanese Matagi tradition can teach threat hunters and security teams.

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“Hunting hackers” can mean tracking adversaries or finding the people who will help defend a network. Andrew Strutt connects both activities to wildlife fieldcraft and the Japanese Matagi tradition of patient tracking and stewardship. By comparing US and Japanese hunting cultures, he explores how observation, respect for a community, and care for its environment translate into threat hunting, team building, and enterprise defense.

For: Threat hunters, security practitioners, team leaders, and curious hackers

Session order and timetable to be announced.

GET HANDS-ON

Meet at the villages

Make time to explore the hardware, compare notes, and ask the question you have been sitting on.

Amateur radio & SIGINT

RF Village

Andrew Strutt / r0d3nt / JL1HHY

Explore amateur radio, software-defined radio, and signal analysis in a community hardware sandbox. Planned activities include live-operation demonstrations, an open hardware showcase, SDR signal visualization, and Q&A on licensing and international operating privileges. Bring your curiosity—and your own gear if you would like to share it.

Satellites, simulation & CTFs

Aerospace Cybersecurity Study Group

Koichi Toriumi

Get a closer look at aerospace security with NOS³ satellite simulation and FlatSat demonstrations. Introductory Aerospace Cybersecurity 101 material and aerospace CTF walkthroughs offer a starting point for anyone curious about space systems, IoT, or RF.

SEE YOU IN AKIHABARA

Tokyo UDX

UDX Conference · South Wing, 6F

Join us in the heart of Akihabara for two days with the international security community.

November 19–20, 2026

4-14-1 Sotokanda, Chiyoda City
Tokyo 101-0021, Japan
Open in Google Maps

Event listing: Nov 19, 10:00 → Nov 20, 18:00 JST

BE PART OF IT

Join us in Tokyo.

Register through the official TenguSec Meetup event. Ticket availability and the latest event information are on Meetup.

Register on Meetup
Advance ticket¥4,500Via Meetup
At the door¥3,000Cash only
Badge + admission¥12,000At the door · cash only
Hardware badge only¥10,000Admission separate · cash only

The limited-edition ESP32 LoRa hardware badge is sold at the venue while supplies last.

Prices as listed on Meetup. Check the event page for current details.