
8th Layer Insights
Get ready for a deep dive into what cybersecurity professionals often refer to as the "8th Layer" of security: HUMANS. Welcome to 8th Layer Insights (8Li). This podcast is a multidisciplinary exploration into how the complexities of human nature affect security and risk. Author, security researcher, and behavior science enthusiast Perry Carpenter taps experts for their insights and illumination. Topics include cybersecurity, psychology, behavior science, communication, leadership, and more.
Latest episodes

Jun 28, 2025 • 11min
Narrative Armor: Why Some Stories Become Immune to the Truth
Explore why some stories become immune to the truth and how emotional investment plays a crucial role. Delve into the concept of 'narrative armor,' which helps protect false beliefs from scrutiny. Discover real-world examples that demonstrate how these narratives reinforce identity and self-protection. Learn about the psychological defenses that make it difficult to challenge these compelling tales. It’s an eye-opening discussion on how we cling to our stories, even in the face of facts.

Jun 24, 2025 • 13min
Repeat Until Real
Discover the captivating world of the Illusory Truth Effect, where hearing something enough times makes it feel credible, regardless of its truth. Dive into how repetition shapes beliefs in marketing and politics. Uncover strategies to defend your mind against misinformation in today's chaotic information landscape. Explore the Familiarity Trap and its psychological implications, plus intriguing developments in AI, accompanied by a creative TikTok-inspired video project. A mind-bending discussion on how truth can be manipulated offers essential insights for critical thinking.

Jun 12, 2025 • 17min
Truth Hurts. So We Lie.
Ok. This one's pretty uncomfortable. It's about the lies we tell ourselves and why we believe them.
We all like to think we’re rational. But the truth is, our minds are masters of defense... not just against deception, but against discomfort.
In this issue, I explore the mental machinery behind "motivated reasoning" and "cognitive dissonance." These are mechanisms we use to try to protect ourselves from inconvenient facts.
🔍 Why we reject information that threatens identity
🛡️ How our beliefs start defending themselves
🎭 Why feeling right often beats being right
This theme hits at the core of the Deceptive Minds mission: a newsletter about how we are fooled, how we fool ourselves, and what we can do about it.
Want to check out the print version? You can get here as a LinkedIn newsletter. Or you can subscribe to the email version on my website: https://TheDeceptionProject.com
Anything you'd like me to cover in a future edition?
Stay sharp,
— Perry
hello [at] 8thLayerMedia [dot] com
Other references for this issue:
https://en.wikipedia.org/wiki/Modern_flat_Earth_beliefs
https://en.wikipedia.org/wiki/Repressed_memory
https://www.cdc.gov/tuskegee/about/index.html
Jessica Barker's newsletter: Human Nature of Cyber Security: https://www.linkedin.com/newsletters/7312575416190255104/
Jessica Barker's LinkedIn profile: https://www.linkedin.com/in/jessica-barker/
The FAIK FILES Audio version here: https://thecyberwire.com/podcasts/the-faik-files/38/notes
FAIK FILES YouTube version: https://youtu.be/Sy67tVZ_OVk
Apple's controversial research paper: https://ml-site.cdn-apple.com/papers/the-illusion-of-thinking.pdf
Nate Jones' thoughts on the Apple paper: https://www.youtube.com/watch?v=I9tYAvjkOQk
Learn more about your ad choices. Visit megaphone.fm/adchoices

Jun 9, 2025 • 14min
The Costume of Truth: Why We Trust the Logo, the Lab Coat, and the Lanyard
Discover the art of 'credibility theater' and how superficial trust cues can enable deception. Explore historical and modern scams that exploit our tendency to trust uniforms and logos more than facts. Delve into the psychology behind this phenomenon and learn to recognize manipulation in everyday life. Uncover the risks posed by advanced AI on authenticity and join in on humorous discussions about creative projects, such as a fake documentary that turns animated ham sandwiches into societal disruptors!

May 28, 2025 • 13min
Feel First, Think Never: Your Emotions Are the Exploit
Explore the dark arts of emotional hijacking, where fear and urgency bypass rational thought. Learn how scammers exploit your emotions to manipulate decisions, from panic phishing to viral outrage. Delve into historical examples, like the Reichstag fire, revealing how strong feelings often cloud critical scrutiny. The discussion also touches on AI's role in ethical dilemmas and manipulative behavior, emphasizing the importance of recognizing and questioning your reactions. A captivating look at the intersection of emotion, decision-making, and technology!

7 snips
May 20, 2025 • 12min
Too Easy to Be True: The Fluency Trap and the Lie That Slides Right Past You
Explore the fine line between truth and deception as cognitive fluency makes fake information seem all too believable. Discover why grainy photos trick us into trust, while slogan-driven disinformation thrives on simplicity. Learn about the dangers of AI impersonation scams and how even experts can be fooled by staged leaks. Armed with insights on fluency bias, you’ll find strategies to sharpen your critical thinking and guard against misleading narratives in today’s information landscape.

8 snips
May 14, 2025 • 12min
The Plausibility Effect
Explore the intriguing dynamics of the plausibility effect, where belief trumps truth, leading people to accept even the most ridiculous misinformation. Delve into historical examples and learn strategies to sharpen your critical thinking skills. The conversation also touches on the rise of deepfakes and their role in disinformation campaigns, highlighting the urgent need to understand and combat these modern threats. Get ready to engage with the sneaky cognitive biases that shape our perceptions of reality!

4 snips
May 5, 2025 • 14min
👁️ Look Here: Why Every Great Deception Starts with Stolen Attention
Explore the intriguing world of attention theft, where con artists and tricksters vie for your focus. Delve into historical deception techniques, like Operation Fortitude, and learn how modern scams employ urgency and authority to distract and manipulate. Discover practical defenses to guard your cognitive space and sharpen your critical thinking skills. This engaging discussion not only uncovers the art of deception but also empowers you to reclaim your attention in an era of constant distractions.

4 snips
Apr 29, 2025 • 12min
Artifacts of Deception (Deceptive Minds - issue #2)
Explore the intricacies of deception and how narratives shape our perception. Discover why flashy tricks, like deepfakes, can distract from deeper manipulations at play. Learn about historical deceptions that reveal the mechanics behind misleading information. The discussion emphasizes the importance of critical thinking in today's digital age, alongside practical strategies to navigate this minefield. Stay vigilant against AI misuse and uncover ways to better evaluate what you see and hear.

Apr 29, 2025 • 7min
Deceptive Minds (the audio experience): Issue #1
Dive into the fascinating world of deception, where the line between reality and illusion blurs. Explore how both external and internal factors shape our beliefs and perceptions. Discover powerful tools to combat misinformation and self-deception. Gain insight into how to navigate the complexities of being fooled in everyday life. This engaging audio experience challenges you to confront the tricks your mind plays and empowers you to think critically.