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12 hours ago 4 minute read 0 comments 5h4d3
What is a Microcontroller (MCU)? Let’s cut through the noise. A microcontroller (MCU) is a small computer — a single chip that contains a processor (CPU), some memory (RAM and Flash), and input/output (I/O) pins you can use to connect to the real wor...
14 May 2025 2 minute read 0 comments Matthew Rosenquist
Compromising the hardware layer, especially the CPU, is the Holy Grail of cyberattacks. Recent work by Christiaan Beek, a leading cybersecurity researcher at Rapid7, into developing a ransomware proof-of-concept that infects at the hardware layer, i...
6 May 2025 1 minute read 0 comments Matthew Rosenquist
Nations are investing heavily in offensive cyber capabilities. The proposed 2026 US defense budget earmarks an additional $1 billion in funding for offensive cyber operations, specifically to the US Indo-Pacific Command (USINDOPACOM). In 2025, the D...
16 Apr 2025 1 minute read 1 comment Evtuoil
The exchange was hacked on the evening of April 14th! The attacker withdrew $7 million in cryptocurrencies from the decentralized platform using the "oracle attack". KiloEx, a decentralized perpetual futures exchange, offered the hacker who hacked it...
11 Mar 2025 1 minute read 2 comments Matthew Rosenquist
The recent undocumented code in the ESP32 microchip, made by Chinese manufacturer Espressif Systems, is used in over 1 billion devices and could represent a cybersecurity risk. Its reveal by security researchers has kicked off an interesting discuss...
2 Mar 2025 3 minute read 3 comments 5h4d3
IntroductionIn a world where mobile devices are more powerful than ever, the ability to harness a full Linux environment on your phone is a game-changer. Whether you're a developer, system administrator, penetration tester, or just someone who loves...
17 Feb 2025 1 minute read 0 comments Matthew Rosenquist
The Cybersecurity Vault — episode 44, with guest Rinki Sethi. 2025 will be an interesting year for the cybersecurity industry! Cybersecurity Insights interviews experts for their take on the most relevant changes. Rinki Sethi discusses how attackers...
8 Feb 2025 5 minute read 0 comments Investigator515
In previous articles, we’ve made the point that in the early days, a lot of notable cybersecurity events weren’t exactly what we’d call malicious. While they’d certainly be damaging in terms of lost productivity or downtime, often these attacks were...
24 Jan 2025 5 minute read 0 comments Investigator515
Kevin Mitnick achieved notoriety for his offensive hacking techniques. When you look at the early pioneers of cyber and information security, there’s no denying that there have been some controversial yet influential people in the field who helped es...
12 Nov 2024 1 minute read 0 comments Matthew Rosenquist
I didn’t see much visibility on this DocuSign hack. This is a situation where the product features were not vetted to understand if they could be misused by malicious fraudsters. There is not a technical vulnerability, it comes down to a design weak...
