Techlore Talks

Techlore

Techlore Talks brings you in-depth conversations with the experts at the forefront of privacy, security, and digital rights. Hosted by Henry Fisher, founder of Techlore and long-time digital rights educator, each episode features meaningful discussions with the people building, researching, and advocating for digital freedom. From cybersecurity researchers and privacy tool developers to open-source advocates and digital rights activists—if they're shaping how we protect ourselves online, they're on this show. Topics include: privacy tools and technologies, cybersecurity threats and defenses, open-source software, surveillance and digital rights, encryption, tech policy, and digital sovereignty. New episodes released regularly. Subscribe and join the community at techlore.tech.

  1. 29 MAR

    Telecom Insider Explains What Your Carrier Actually Sees (Cape Interview)

    David Dunn from privacy-focused cellular carrier Cape talks about how to break down what carriers actually collect, how threats like IMSI catchers and SIM swaps work, and how Cape is building a mobile network specifically designed to minimize that exposure. ⏱️ TIMESTAMPS 00:00:00 INTRO 00:01:01 WHAT CELLULAR CARRIERS SEE 00:02:50 THE CONCERNS 00:04:08 ABUSE OF DATA 00:05:28 LTT SIM SWAP ATTACK 00:06:33 PHONE CALL BEHIND-THE-SCENES 00:12:24 CELL TOWER TRIANGULATION & GEOFENCING 00:15:32 LOCATION SERVICES 00:16:25 CALL DATA & SMS RECORDS 00:19:24 SMS VS. EMAIL SECURITY 00:20:23 SIM SWAPPING + IMSI CATCHERS 00:24:09 CELL TOWER TRIANGULATION + GEOFENCING SOLUTIONS 00:26:38 CALL DATA RECORD + SMS SOLUTIONS 00:28:48 WI-FI CALLING 00:30:54 SS7 SIGNALING ATTACK PROTECTION 00:32:25 4G VS. 5G PRIVACY 00:36:34 USER AGENTS + CUSTOM ROMS 00:42:15 DEVICE PROTECTION 00:46:06 CAPE'S APPROACH 00:55:01 MOBILE CORE 00:59:18 CDR DELETION 01:00:06 IMSI ROTATION 01:00:52 OTHER USER CONFIGURABLE OPTIONS 01:04:05 PHONE NUMBER REPUTATION 01:05:29 ISSUES WITH PRIVACY TOOLS 01:08:22 OBSCURA 01:10:48 REGISTRATION 01:13:04 TRUST & VERIFICATION 01:15:37 COMPATIBILITY 01:17:33 AVAILABILITY 01:17:54 ROAMING 01:18:36 LAW ENFORCEMENT REQUESTS 01:21:15 PALANTIR 01:23:25 PROTON PARTNERSHIP 01:25:05 WHO IS CAPE FOR? 01:26:43 TELL US SOMETHING SHOCKING 01:29:28 OUTRO 🧡 SUPPORT TECHLORE Keep Techlore Talks independent & growing: https://techlore.tech/support Hosted on Acast. See acast.com/privacy for more information. ★ Support this podcast ★

    1 h 31 min
  2. 7 FEB

    Why Everyone Should Use an Ad Blocker (AdGuard Interview)

    Ad blockers have broad permissions to intercept all your web traffic—which means you need to know which ones to trust. Henry interviewed the CTO and co-founded of AdGuard about why they pivoted from data collection to privacy protection, how DNS filtering differs from local ad blocking, and Apple's revolutionary new API that lets ad blockers work system-wide on iOS without ever seeing your traffic. 🔗 SOURCES & LINKS• AdGuard: https://adguard.com/• AdGuard Home: https://adguard.com/en/adguard-home/overview.html• AdGuard DNS: https://adguard-dns.io/• AdGuard VPN: https://adguard-vpn.com/• AdGuard Mail: https://adguard-mail.com/• Andrey's AFDS 2025 Talk: https://www.youtube.com/watch?v=L2c5WMjpVZc ⏱️ TIMESTAMPS00:00:00 INTRO00:06:04 PRE-SNOWDEN VS. POST-SNOWDEN00:07:58 TYPES OF FILTERING00:15:03 LOCAL FILTERING VS. DNS & VPN00:18:14 INTERCEPTING WEB TRAFFIC CONCERNS00:21:27 ADGUARD VS. BROWSER SOLUTIONS00:26:15 ADGUARD EXTENSION VS. OTHERS00:31:15 ADGUARD FILTERING VS. OTHERS00:32:04 ADGUARD HOME00:34:08 PRICING STRUCTURE00:35:52 BASED IN CYPRUS?00:38:25 OPEN SOURCE?00:41:04 THE AD BLOCKING ECOSYSTEM00:44:26 MITIGATING ATTACKS00:51:13 THE ROLE OF AD BLOCKING00:54:37 APPLE'S NEW API00:57:38 COMPARISON TO DNS FILTERING00:58:56 ETA FOR THESE UPDATES00:59:43 APPLE'S PATTERN01:00:58 BLOCKING APPLE DOMAINS01:02:28 WRAPPING UP 🎥 VIDEOWatch on YouTube 🧡 SUPPORT TECHLOREKeep Techlore Talks independent & growing: ★ Support this podcast ★

    1 h 4 min
  3. 24 ENE

    The Messaging App With No User IDs (SimpleX Interview)

    SimpleX Chat is the only messaging network where users have no identifiers—no phone numbers, no usernames, no user IDs at all. Henry interviewed founder Evgeny Poberezkin about how unidirectional message pipes create a network where servers don't even know users exist, why this isn't federation, how it compares to Signal and Session, and why the company is based in the UK despite encryption battles. 🔗 SOURCES & LINKS• SimpleX: https://simplex.chat• Evgeny's Website: https://www.poberezkin.com/about.html ⏱️ TIMESTAMPS00:00:00 INTRO00:01:31 SIMPLEX NAME00:04:20 SIMPLEX TEAM00:05:10 SIMPLEX VS. MAINSTREAM MESSENGERS00:08:05 WHY THIS APPROACH?00:11:14 THE FUTURE OF SIMPLEX00:14:28 SIMPLEX NETWORK + FEDERATION00:20:46 REGISTRATION MODELS00:23:11 GOVERNMENT REQUESTS TO SIGNAL00:25:42 REGISTRATION MODELS (CONT'D)00:27:52 MESSENGER DISCUSSION?00:29:54 SIMPLEX LIMITATIONS00:31:00 WAYS TO USE SIMPLEX + SCALING00:37:27 OPEN SOURCE00:42:21 SIMPLEX ENCRYPTION + DENIABILITY00:54:00 SIMPLEX METADATA01:00:53 IP ADDRESS OBSERVATION01:05:02 USABILITY CHALLENGES01:09:53 MESSAGE DELIVERY01:10:58 OUTAGES01:13:14 MULTI-DEVICE SYNC01:13:56 DESKTOP ONLY?01:18:10 BATTERY IMPACT01:19:44 BACKGROUND SYNC01:21:50 FUNDING + SUSTAINABILITY01:30:38 JURISDICTION01:31:56 LEGAL + LIABILITY01:40:37 PRIVACY AS A MEANS, NOT AN END01:41:55 PRIVACY FOR THE MASSES VS. THE FEW01:45:27 WHAT'S NEXT FOR SIMPLEX?01:50:57 HOW TO FOLLOW01:52:09 OUTRO 🎥 VIDEOWatch on YouTube 🧡 SUPPORT TECHLOREKeep Techlore Talks independent & growing: ★ Support this podcast ★

    1 h 53 min
  4. 17 ENE

    It's Time for the VPN Industry to Innovate (Obscura Interview)

    You don't have to trust Obscura—you just have to trust that not both Obscura and Mullvad are compromised. Henry sat down with Carl, former Bitcoin Core developer and founder of Obscura VPN, to discuss how it's the first VPN that mathematically can't log your activity, what makes it censorship-resistant against networks like the Great Firewall, and what it really means to build privacy that's more than "a pinky promise." 🔗 SOURCES & LINKS• Obscura: https://obscura.net• GitHub: https://github.com/Sovereign-Engineering/obscuravpn-client• Trust, 2-Party Relays, and QUIC: https://obscura.net/blog/bootstrapping-trust/• Mullvad: https://mullvad.net ⏱️ TIMESTAMPS00:00:00 INTRO00:01:50 CARL'S BACKGROUND00:10:47 APPLE'S PRIVATE RELAY00:17:11 TRUSTLESS MODELS00:19:05 MULTI-PARTY RELAY PARTNERSHIP00:21:39 TRADITIONAL MULTI-HOP00:23:39 CENSORSHIP RESISTANCE00:27:33 MULLVAD VS. OBSCURA TRAFFIC00:29:35 EXIT IP00:30:18 BLOCKS, CAPTCHA, & SPLIT TUNNELING00:31:16 CUSTOM DNS00:32:41 PARTNERING WITH MULLVAD00:36:05 OBSCURA VS. PRIVATE RELAY00:37:10 OBSCURA VS. MULLVAD00:38:33 OBSCURA VS. DECENTRALIZED VPNS00:40:57 OBSCURA VS. TOR00:41:58 REPRODUCIBLE BUILDS00:50:23 CLIENTS & DEVELOPMENT TIMELINE00:55:24 SPEED00:59:06 DEFAULTS VS. CUSTOMIZATION01:00:48 PRICING01:02:43 OPEN SOURCE01:03:34 THE OBSCURA TEAM01:05:39 THOUGHTS ON THE VPN INDUSTRY01:07:49 OUTRO 🎥 VIDEOWatch on YouTube 🧡 SUPPORT TECHLOREKeep Techlore Talks independent & growing: ★ Support this podcast ★

    1 h 9 min

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Techlore Talks brings you in-depth conversations with the experts at the forefront of privacy, security, and digital rights. Hosted by Henry Fisher, founder of Techlore and long-time digital rights educator, each episode features meaningful discussions with the people building, researching, and advocating for digital freedom. From cybersecurity researchers and privacy tool developers to open-source advocates and digital rights activists—if they're shaping how we protect ourselves online, they're on this show. Topics include: privacy tools and technologies, cybersecurity threats and defenses, open-source software, surveillance and digital rights, encryption, tech policy, and digital sovereignty. New episodes released regularly. Subscribe and join the community at techlore.tech.

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