Learn how attackers use psychological manipulation to trick people into revealing sensitive information or performing unsafe actions. Topics include pretexting, baiting, tailgating, vishing, and real-world social engineering case studies that expose common human vulnerabilities.
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The Threat Already Inside Your Firewall In January 2025, a former employee of a U.S. infrastructure firm was charged with attempting to sabotage water treatment systems — months after being terminated. His credentials were never revoked. The damage was caught, but barely. This isn't an edge case. It&
One Clicked a Link. The Other Sold the Data. Both Cost Millions. In 2023, Tesla disclosed that two former employees had leaked the personal information of over 75,000 people — including Social Security numbers — to a foreign media outlet. That same year, the Verizon 2023 Data Breach Investigations Report confirmed
In May 2022, a Yahoo research scientist named Qian Sang downloaded roughly 570,000 pages of proprietary source code to his personal devices — just two weeks after accepting a job at a competitor. Yahoo's internal systems flagged the bulk transfer, but only after the damage was done. This
In March 2024, a finance director at a mid-size logistics company received a text message that appeared to come from the CEO. It asked for a quick wire transfer to close a vendor deal. The director tapped the link, entered credentials on what looked like the company's banking
The $0.97 Device That Cost a Defense Contractor Millions In 2008, a USB flash drive infected with the Agent.BTZ worm was plugged into a U.S. military laptop at a base in the Middle East. It took the Department of Defense 14 months to clean up the damage,
In January 2024, a penetration tester hired by the Iowa State Court Administration was arrested for breaking into a courthouse — even though he had a signed contract to test physical security. The incident made national news and sparked a legal battle. But it also exposed something most organizations ignore: the
A Badge Swipe, a Smile, and a Six-Figure Data Breach In 2019, a penetration tester hired by Coalfire walked into a locked Iowa courthouse after hours — simply by following someone through a door. He and his partner were arrested, but the point was proven: physical security is often the weakest
In 2023, a Ponemon Institute study sponsored by 3M found that 91% of visual hacking attempts — someone simply looking at a screen — were successful. No malware. No zero-day exploit. No phishing email. Just a person standing in the right place at the right time, reading credentials off someone else'
In 2023, a healthcare organization in the Midwest lost over 2,000 patient records — not because a hacker exploited a zero-day vulnerability, but because an employee left printed patient lists on their desk over the weekend. A cleaning contractor photographed them. That's it. No malware, no phishing email,
The Breach That Started With a Single Slack Message In September 2022, a threat actor convinced a Uber contractor to approve a multi-factor authentication push notification. That single moment of human failure gave the attacker access to Uber's internal systems, including their Slack workspace, vulnerability reports, and financial
