Best Tim Callan Podcasts (2025)

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Root Causes 499: Don't Blame Signal 8:37

10h ago8:37

8:37

The recent Signal controversy highlights the importance of understanding what protections an E2EE messaging app provides, and what it does not.By Tim Callan and Jason Soroko

1
Beyond Borders: Discovering North and South America's Most Breathtaking Treks 8:00

2h ago8:00

8:00

Send us a text We explore eight spectacular hiking trails across North and South America, from Panama's bird-filled cloud forests to Chile's iconic Patagonian peaks. Each trail offers unique experiences during winter months when Canadians are seeking warmer destinations for outdoor adventures. • Sendero Los Quetzales in Panama - a moderate 9km one-…

1
Root Causes 498: UK NCSC PQC Guidance 15:31

1d ago15:31

15:31

The UK National Cyber Security Centre (NCSC) has released new PQC guidance. We take exception to the dates it gives and explain why.By Tim Callan and Jason Soroko

1
Root Causes 497: PQC Update with Sofia Celi 19:50

1d ago19:50

19:50

Guest Sofia Celi (IETF, Brave) returns to talk about important developments in post quantum cryptography. Sofia tells us about her candidate algorithm MAYO and what is happening with the NIST PQC onramp. We learn about KEM TLS and the status of PQC initiatives in IETF.By Tim Callan and Jason Soroko

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From Darkness to Discovery: The Transformative Power of the Wild 38:30

7h ago38:30

38:30

Send us a text Rob Spence, known to many as "Rob in the Outside," shares his profound journey of finding salvation through nature after hitting rock bottom. Following his mother's passing and a difficult divorce, Rob discovered that kayaking, fishing, and wilderness exploration quite literally saved his life – transforming his darkest moments into …

1
Root Causes 496: E2EE Gmail 12:26

2d ago12:26

12:26

Gmail is now end-to-end encrypted for all recipients, regardless of the receiving client. We explain how Gmail accomplishes this trick.By Tim Callan and Jason Soroko

1
Root Causes 495: Trust Models and Post Quantum Cryptography 7:00

4d ago7:00

7:00

We build on our Trust Models discussion to explore how organizations can structure their PKI for the transition to post quantum cryptography (PQC).By Tim Callan and Jason Soroko

1
Root Causes 494: Introduction to Trust Models 21:09

15d ago21:09

21:09

We explain the basics of trust models and compare various models including WebPKI, private CA, and consortium models.By Tim Callan and Jason Soroko

1
Through the Lens: Finding Connection in Nature's Wilderness 1:01:10

7d ago1:01:10

1:01:10

Send us a text Ever wondered what makes wildlife photography truly ethical? Jesse Villemaire takes us deep into the heart of this question, revealing how respecting wildlife comes before capturing the perfect shot. As co-founder of Follow Me North with his wife Susan, Jesse shares captivating stories from Algonquin Park's wilderness and South Afric…

1
Root Causes 493: Disentangling Public and Private Certificate Use Cases 12:10

15d ago12:10

12:10

Changing root store requirements mean CAs must separate their root hierarchies for different certificate types. We explain why enterprises should consider private CA for some use cases.By Tim Callan and Jason Soroko

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Root Causes 492: When Mandatory Security Training Sucks 19:36

22d ago19:36

19:36

In this episode we get excited about errors we see in mandatory security trainings.By Tim Callan and Jason Soroko

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Epic Trails and Hidden Gems: Canada's Most Remarkable Hiking Adventures 12:19

14d ago12:19

12:19

Send us a text Lace up your hiking boots and join us as we trek across the breathtaking landscapes of Canada! From the misty coastal paths of British Columbia to the craggy eastern shores of Newfoundland, we're exploring ten of Canada's most spectacular hiking trails that belong on every outdoor enthusiast's bucket list. Our journey begins with the…

1
Root Causes 491: RSA's Non-quantum Threat 31:41

27d ago31:41

31:41

We are rejoined by Dr. Michele Mosca to explore the potential threat of RSA being broken even in the absence of a quantum computing attack.By Tim Callan and Jason Soroko

1
What Your Map Doesn't Show Could Change Everything 47:21

21d ago47:21

47:21

Send us a text Jeff McMurtrie returns to our podcast with exciting news about his meticulously crafted wilderness maps that have transformed how paddlers experience Ontario's backcountry. Having spent over 700 days exploring these waterways, Jeff brings unparalleled expertise to his cartography – revealing hidden gems that most travelers miss and p…

1
Root Causes 490: Chrome and Chromium 10:02

30d ago10:02

10:02

We define Chrome versus Chromium, explaining what each is and the difference between the two.By Tim Callan and Jason Soroko

1
Root Causes 489: Does AI Nullify E2EE? 12:04

1M ago12:04

12:04

Does AI kill end-to-end encryption? There is a contention that the presence of AI agents in the workstream will render your confidential information visible outside the encrypted communication channels and therefore that E2EE is pointless. We explore this argument.By Tim Callan and Jason Soroko

1
Root Causes 488: CABF Face-to-Face Meeting Update 5:37

1M ago5:37

5:37

We explain the major news items from the most recent CA/Browser Forum face-to-face meeting in Tokyo. Topics include MPIC, 47-day certificate term, and Temporary Restraining Orders.By Tim Callan and Jason Soroko

1
No Pooping on the Portage: Kevin Callan's Latest Adventure 44:22

1M ago44:22

44:22

Send us a text Kevin Callan, the Happy Camper, returns to share the remarkable journey of publishing his 20th book – a children's story called "A Spark of Courage." After multiple rejections from major publishers who couldn't see the market for a book about nature helping anxiety in youth, Kevin took matters into his own hands with passionate deter…

1
Root Causes 487: Security 2030 46:40

1M ago46:40

46:40

Jason and I take a peek forward at what we imagine IT security looks like in 2030. Topics include PQC, ZTNA, "green zones," deep fakes, IoT, connected cars, agentic AI, blockchain, and CLM.By Tim Callan and Jason Soroko

1
Finding Healing in the Forest: How a Chronic Condition Led to Epic Adventure 34:06

1M ago34:06

34:06

Send us a text Curtis LaFleche's life changed dramatically at age 16 when he was diagnosed with ankylosing spondylitis – a condition that causes spinal fusion and threatened his athletic pursuits. Rather than surrendering to limitations, this diagnosis sparked an unexpected journey into the wilderness that transformed his life. "I just started walk…

1
Root Causes 486: 47-day Maximum Term Ballot Passes CABF 11:11

1M ago11:11

11:11

Apple's ballot to step the maximum term for public SSL certificates down to 47 days has passed in the CA/Browser Forum. We explain.By Tim Callan and Jason Soroko

1
Root Causes 485: What Is Open MPIC? 20:28

1M ago20:28

20:28

Guest Dmitry Sharkov joins us to describe Open MPIC, the open-source project to help public CAs support MPIC.By Tim Callan and Jason Soroko

1
Root Causes 484: Multi Good Factor Authentication 12:46

2M ago12:46

12:46

We define multi good factor authentication, which is the idea that not all authentication factors are equal. We discuss the importance of considering authentication strength and the contextual nature of trust.By Tim Callan and Jason Soroko

1
The Ultimate Guide to Ontario's Most Spectacular Hiking Destinations 12:05

1M ago12:05

12:05

Send us a text We're on a mission to inspire others to get outside and enjoy camping adventures, and today we're exploring some of Ontario's favorite hiking spots that range from easy day trips to challenging wilderness experiences. • The Crack Trail in Killarney Provincial Park features spectacular views over the La Cloche Mountains with white gra…

1
Root Causes 483: Introducing the PQC Sandbox 22:40

2M ago22:40

22:40

We are joined by repeat guest Bruno Coulliard of Crypto4A to introduce Sectigo's new post quantum cryptography (PQC) sandbox. The PQC sandbox allows you to get quantum resistant certificates in your hands to understand how they work with your systems.By Tim Callan and Jason Soroko

1
Root Causes 482: Microsoft and PQC 14:38

2M ago14:38

14:38

In this episode we explore the potential PQC future for Microsoft Active Directory Certificate Services, aka MSCA. We discuss potential paths for Microsoft to take and their consequences.By Tim Callan and Jason Soroko

1
Journey into the Wild: Saskatchewan's Untamed Backcountry 40:07

2M ago40:07

40:07

Send us a text Tyler Chilabecki's love affair with the Saskatchewan wilderness began with a fishing rod in his hand at just three years old. Now, as the creator behind the YouTube channel Puddle Jumper, he's on a mission to shatter stereotypes about his home province one paddle stroke at a time. "Everyone thinks of Saskatchewan as flat prairies and…

1
Root Causes 481: What Is Protocol Ossification? 11:49

2M ago11:49

11:49

Protocol ossification is the phenomenon whereby ecosystems fail to work correctly with the full range of options included in a protocol. This occurs when individual software components only partially support the capabilities that should be available. We define protocol ossification, explain how and why it occurs, give real world examples, and talk …

1
How Camping Will Improve Your Survival Skills - THE APOCALYPSE IS COMING! 15:50

2M ago15:50

15:50

Send us a text Do you know how to build a campfire? Can you make some shelter? Can you patch yourself up if you get hurt? If you answered yes to any of these questions, you will have a better chance to survive a natural disaster or outdoor activity gone wrong. If you answered no, get out and camp more ;) Support the show CONNECT WITH US AT SUPER GO…

1
Root Causes 480: White House PQC Executive Order 10:22

2M ago10:22

10:22

Many people believe that the Trump White House rescinded an important cybersecurity executive order from late days of the Biden administration. We set the record straight.By Tim Callan and Jason Soroko

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Root Causes 479: AI Adversarial Machine Learning 13:10

2M ago13:10

13:10

In this episode we discuss the thinking on how adversaries can exploit the flaws in AI models to achieve unexpected and dangerous results. We explore some potential paths of defense against attacks of this sort.By Tim Callan and Jason Soroko

1
A Great Chat with the President of Go RVing Canada! 32:54

2M ago32:54

32:54

Send us a text We're usually tent campers, but we've been looking at other ways to enjoy nature. RV (Recreational Vehicle) camping is one of the options we've been looking into. Chris drops by to give us the low down on what RV camping and travel is all about. https://www.youtube.com/@GoRVingCda https://www.instagram.com/gorvingcanada/ https://www.…

1
Root Causes 478: Should We All Switch from RSA to ECC? 16:01

2M ago16:01

16:01

RSA is under attack. Even without the quantum threat, we face the possibility of smart new exploits reducing the viable RSA key space and rendering it unsafe. In this episode we discuss the merits of choosing ECC over RSA as soon as today.By Tim Callan and Jason Soroko

1
Root Causes 477: Comparative Security Philosophies 17:51

3M ago17:51

17:51

We discuss how various popular computing platforms approach security and highlight the differences between them.By Tim Callan and Jason Soroko

1
Stephan Kesting, author of Perseverance, drops by for a chat! 44:09

2M ago44:09

44:09

Send us a text Paddling 1600 kilometers in less than 50 days in boreal Saskatchewan, Stephan shares some great pointers, some definitely do not do tips, wild animal stories, and how much fun it is to duct tape ruined maps back together. https://www.instagram.com/stephan_kesting/ https://www.youtube.com/user/StephanKesting https://www.tiktok.com/@st…

1
Root Causes 476: The Need for Security KPIs 16:34

3M ago16:34

16:34

Jason recounts a 2024 Black Hat talk about the need for objective measurements of our IT defenses and whether the good guys or bad guys are winning. Jason breaks down how to define and measure the impact of security measures.By Tim Callan and Jason Soroko

1
Root Causes 475: Can Your AI Scheme Against You? 15:56

3M ago15:56

15:56

It's the stuff of science fiction! Interesting research shows how today's AI technology is capable of lying to and scheming against its human owners in service of its goals.By Tim Callan and Jason Soroko

1
Root Causes 474: Explaining Shor's Algorithm 21:12

3M ago21:12

21:12

We talk a lot about Shor's Algorithm in our discussion of post quantum cryptography (PQC). In this episode Jason explains Shor's algorithm for non-quantum physicists.By Tim Callan and Jason Soroko

1
Root Causes 473: Does Security Software Lack Creativity? 10:08

3M ago10:08

10:08

Jason reports on a 2024 Black Hat keynote about how modern software development practices inhibit innovation and invention.By Tim Callan and Jason Soroko

1
Root Causes 472: AI Offensive Modeling 11:14

3M ago11:14

11:14

AI tools are now available to perform red-teaming activity for DevSecOps. Such tools are soon to be table stakes in the constantly escalating IT security arms race. Join us to learn more.By Tim Callan and Jason Soroko

1
Join us to Celebrate Black History Month. 6:02

3M ago6:02

6:02

Send us a text In honour of Black History Month, we wanted to highlight some historical connections of Black Canadians near some of our favourite hiking and camping spots. Support the show CONNECT WITH US AT SUPER GOOD CAMPING: Support the podcast & buy super cool SWAG: https://store.skgroupinc.com/super_good_camping/shop/home EMAIL: hi@supergoodca…

1
Root Causes 471: ACME for PQC 21:28

3M ago21:28

21:28

In this episode, guest Alexandre Giron explains what is needed to support post quantum cryptography (PQC) with ACME.By Tim Callan and Jason Soroko

1
Root Causes 470: The MFA False Equivalency Fallacy 11:53

3M ago11:53

11:53

Not all forms of MFA are equally secure. In this episode we describe the differences between the more secure and less secure forms of MFA.By Tim Callan and Jason Soroko

1
Camping with your pets! The Kas Pack drops by for a chat!! 32:52

3M ago32:52

32:52

Send us a text How do you take your fur babies on a camping adventure? Listen in while Britt and John educate us on wrangling multiple leashes, food storage, pet first aid, reactive pets, introducing them to a canoe and so much more! https://thekaspack.com/ https://www.facebook.com/thekaspack https://www.instagram.com/thekaspack/ https://www.youtub…

1
Root Causes 469: The All or Nothing Fallacy in Cybersecurity 7:14

3M ago7:14

7:14

In this episode we explain the all-or-nothing fallacy in cybersecurity and how it's affecting debate in the WebPKI right now.By Tim Callan and Jason Soroko

1
Root Causes 468: UK Demands New Backdoor from Apple 10:25

3M ago10:25

10:25

A new demand from the UK seeks complete access to all Apple cloud data housed in the UK, regardless of the data owners' citizenship and residency. We unpack this latest development in Government versus Encryption.By Tim Callan and Jason Soroko

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Root Causes 467: Decoupling Public from Private Use Cases 9:41

3M ago9:41

9:41

The past year has seen a great deal of focus on the use of public TLS certificates where private root certificates are actually the appropriate solution. In this episode we discuss the differences between these two use cases and what IT organizations can do about it.By Tim Callan and Jason Soroko

1
Camping Builds Good Character Traits. 8:32

4M ago8:32

8:32

Send us a text Core Points: Camping builds resilience by requiring adaptation to unpredictable conditions like bad weather. Patience is enhanced through camping due to the slower pace and effort required for basic tasks, contrasting with instant gratification. Resourcefulness grows as campers improvise solutions when facing unexpected challenges or…

1
Root Causes 466: Apple Moves 47-day Ballot to CABF Vote 31:21

4M ago31:21

31:21

Apple is proceeding with a ballot that eventually will shorten SSL certificate maximum term to 47 days. Accompanying the ballot, Apple released a statement explaining its intent with the ballot. In this episode we unpack its statements.By Tim Callan and Jason Soroko

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Root Causes 465: Twelve Bugzilla Sins for CAs to Avoid 42:49

4M ago42:49

42:49

In the wake of the Bugzilla Bloodbath, we list and describe twelve sins CAs commit on Bugzilla and its like, why they're detrimental, and how CAs should avoid them.By Tim Callan and Jason Soroko

Podcasts Worth a Listen

Tim Callan Podcasts

Podcasts Worth a Listen