Darket Diaries
Darket Diaries

67: The Big House

John Strand is a penetration tester. He’s paid to break into computer networks and buildings to test their security. In this episode we listen to stories he has from doing this type of work. Thanks to John Strand for coming on the show and telling your story. Sponsors Support for this episode comes

Featured Speakers

Jack Rhysider HostJohn Strand Guest

Topics Discussed

Episode Summary

Executive Summary: This episode of Darknet Diaries features John Strand, founder of Black Hills Information Security, who shares stories from his career as a penetration tester. John recounts his childhood in South Dakota, his journey into cybersecurity, and several notable penetration tests, including breaking into a military base (resulting in a dislocated shoulder), a physical office break-in, and using social engineering to help law enforcement rescue a kidnapped girl. The highlight is a story where John's 60-year-old mother, posing as a health inspector, successfully breaks into a prison's network by plugging a USB drive into computers, gaining remote access.

Main Topics: Penetration Testing Methodology and Techniques (Priority: 5/5): John explains various pen-testing approaches, including physical break-ins, social engineering, and technical methods like using beaconing documents and USB implants to gain network access. Real-World Penetration Tests and Their Risks (Priority: 5/5): Detailed accounts of John's pen tests: breaking into a military base (resulting in arrest and injury), a dark office break-in (alerting police), and using phishing to rescue a kidnapped child. The Role of Family in Cybersecurity (Priority: 4/5): John's mother and sister helped run Black Hills Information Security; his mother (CFO) later became a pen-tester, successfully breaking into a prison using her food service expertise. Ethical Hacking for Good (Priority: 3/5): Demonstrates offensive security techniques used for defense, such as using beaconing documents to track a kidnapper and recover a child safely. Physical Security Vulnerabilities (Priority: 3/5): Highlights how facilities (prisons, offices) fail to verify identities, control access to sensitive areas, and prevent unauthorized USB device usage. Personal Background and Motivation (Priority: 2/5): John's childhood, family dynamics, and early exposure to computers shaped his career in cybersecurity and his fearless approach to pen testing.

Key Arguments: Penetration testing requires careful planning, including using Google Street View for reconnaissance and dressing inconspicuously. Social engineering (e.g., posing as a health inspector) can bypass even high-security facilities like prisons. Physical pen tests carry significant personal risk (arrest, injury), but can reveal critical security gaps. Offensive techniques (beaconing documents) can be repurposed for defensive and law enforcement purposes (e.g., tracking kidnappers). Organizations often fail to verify credentials, allow unsupervised access, and permit USB device usage, creating major vulnerabilities. Family involvement in business can be both supportive (financial management) and risky (arrest potential).

Data Points: Time to breach prison: 25-30 minutes - John's mother took this long to gain initial access and start getting callbacks (shells) from prison computers. Distance to prison from coffee shop: 6 miles - John's mother drove this distance to the prison, leaving John and his colleague stranded without transport or phone. Age of John's mother during prison pen test: 60s - She was in her 60s, using her decades of food service experience to pose as a health inspector. Time from password handover to death: 48 hours - John's mother handed him her computer two days before dying of pancreatic cancer. Cost of meals in John's example: $350 - Expensive business dinner in Las Vegas that led to family reprimands.

Pivotal Quotes: "I'm glad you chose wisely." — John's mother: While dying of cancer, she gave John his childhood Superman cape, referencing her lifelong saying that he'd end up either in prison or a superhero. "If you look across at a building and you see a flashlight running like crazy all over the building, you think, time to call the police." — John Strand: Reflecting on his mistake of using a flashlight in a dark office during a physical pen test, which alerted neighbors and led to police arrival. "And my mom wanted the prison, which was crazy. I thought it was the hardest one to break into, but she's like, no, this won't take me long at all." — John Strand: Recalling his mother's confidence in choosing the prison as her first physical pen test target.

Implications: This episode underscores that even high-security facilities like prisons can be breached through low-tech social engineering and failure to enforce basic security protocols (ID verification, access control, USB policies). It also highlights the dual-use nature of offensive security techniques—ethical hackers can use them for both penetration testing and aiding law enforcement (e.g., tracking kidnappers). Defenders must treat physical and digital security as interconnected and train staff to verify identities rigorously.

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About Darket Diaries

Explore true stories of the dark side of the Internet with host Jack Rhysider as he takes you on a journey through the chilling world of hacking, data breaches, and cyber crime.

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