About
With over two decades in cybersecurity, Nathan has contributed to the field as an author…
Articles by Nathan
Activity
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Over the past month, Opus 4.6/4.7 has become noticeably less reliable. Whether this is due to compute reallocation to Glasswing, capacity constraints…
Over the past month, Opus 4.6/4.7 has become noticeably less reliable. Whether this is due to compute reallocation to Glasswing, capacity constraints…
Shared by Nathan Sportsman
Experience
Education
Publications
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Hacking Exposed 7th Edition
McGraw-Hill Osborne Media
See publicationThe latest tactics for thwarting digital attacks
“Our new reality is zero-day, APT, and state-sponsored attacks. Today, more than ever, security professionals need to get into the hacker’s mind, methods, and toolbox to successfully deter such relentless assaults. This edition brings readers abreast with the latest attack vectors and arms them for these continually evolving threats.” --Brett Wahlin, CSO, Sony Network Entertainment -
Hacking Exposed 6th Edition
McGraw-Hill Osborne Media
See publicationThe world's bestselling computer security book--fully expanded and updated
Right now you hold in your hand one of the most successful security books ever written. Rather than being a sideline participant, leverage the valuable insights Hacking Exposed 6 provides to help yourself, your company, and your country fight cyber-crime." --From the Foreword by Dave DeWalt, President and CEO, McAfee, Inc.
Patents
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Method and system for validating a vulnerability submitted by a tester in a crowdsourcing environment
Issued US 10,291,643
See patentA method for validating a vulnerability submitted by a tester in a crowdsourcing environment. The method comprises identifying at least one vulnerability within at least one computer resource and receiving vulnerability data corresponding to the at least one vulnerability. The method further comprises pre-processing the vulnerability data to generate structured data and generating a replica of the vulnerability using the structured data and at least one validator. Further, the method comprises…
A method for validating a vulnerability submitted by a tester in a crowdsourcing environment. The method comprises identifying at least one vulnerability within at least one computer resource and receiving vulnerability data corresponding to the at least one vulnerability. The method further comprises pre-processing the vulnerability data to generate structured data and generating a replica of the vulnerability using the structured data and at least one validator. Further, the method comprises calculating a confidence score of the vulnerability using the replica of the vulnerability and a result of the at least one validator. The method executes at least one validating instruction based on the confidence score of the vulnerability.
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Method and Apparatus for Identifying a Drift in a Quantized Signal
Issued US 7444268
See patentOne embodiment of the present invention provides a system that identifies a drift in a signal in a computer system. During operation, the system receives a sequence of quantized signal values of the signal. Next, the system generates a statistical distribution based on the sequence of quantized signal values, wherein the statistical distribution is generated using a set of counters, wherein each counter keeps track of the number of occurrences of an associated quantized signal value. The system…
One embodiment of the present invention provides a system that identifies a drift in a signal in a computer system. During operation, the system receives a sequence of quantized signal values of the signal. Next, the system generates a statistical distribution based on the sequence of quantized signal values, wherein the statistical distribution is generated using a set of counters, wherein each counter keeps track of the number of occurrences of an associated quantized signal value. The system periodically adjusts the counters by multiplying each counter by a compression factor if the system determines the sum of the set of counters is greater than or equal to a threshold. The system identifies the drift in the signal by comparing the statistical distribution with a reference distribution of the quantized signal values, wherein the reference distribution is associated with normal operation of the computer system.
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DeepSeek V4 dropped two days ago. Price vs Performance is the most interesting. Over the long run AI will likely be a commodity and ubiquitous like…
DeepSeek V4 dropped two days ago. Price vs Performance is the most interesting. Over the long run AI will likely be a commodity and ubiquitous like…
Shared by Nathan Sportsman
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Mythos is coming. We are publicly demonstrating our agentic offensive security platform including our Mythos equivalent capability. The technology…
Mythos is coming. We are publicly demonstrating our agentic offensive security platform including our Mythos equivalent capability. The technology…
Shared by Nathan Sportsman
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For the first time, we are publicly demonstrating our agentic offensive security platform. The technology we have built is far more than just an AI…
For the first time, we are publicly demonstrating our agentic offensive security platform. The technology we have built is far more than just an AI…
Liked by Nathan Sportsman
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Using Constantine we have found 0 days in BSD and Linux that allow us to priv-esc to the kernel. We've found 0 days in OpenClaw, n8n, Apache…
Using Constantine we have found 0 days in BSD and Linux that allow us to priv-esc to the kernel. We've found 0 days in OpenClaw, n8n, Apache…
Shared by Nathan Sportsman
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While doing research to improve Constantine's automated vulnerability discovery capabilities, I found a use-after-free in the Linux kernel's GPIB…
While doing research to improve Constantine's automated vulnerability discovery capabilities, I found a use-after-free in the Linux kernel's GPIB…
Liked by Nathan Sportsman
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I would have expected the market to start discerning between SaaS that is impacted by AI, SaaS that needs to evolve, and SaaS that benefits from AI…
I would have expected the market to start discerning between SaaS that is impacted by AI, SaaS that needs to evolve, and SaaS that benefits from AI…
Liked by Nathan Sportsman
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Thank you Erik Hart! We appreciate the partnership too and love working with your team!
Thank you Erik Hart! We appreciate the partnership too and love working with your team!
Shared by Nathan Sportsman
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For those scrambling to figure out their readiness for Mythos, we have been building for this moment for some time vs reacting to the current…
For those scrambling to figure out their readiness for Mythos, we have been building for this moment for some time vs reacting to the current…
Shared by Nathan Sportsman
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