Monday, September 23, 2019
Errata Security

Thread on the OSI model is a lie

I had a Twitter thread on the OSI model. Below it's compiled into one blogpostYea, I've got 3 hours to kill here in this airport lounge waiting for the next leg of my flight, so let's discuss the "OSI...
Errata Security

Thread on network input parsers

This blogpost contains a long Twitter thread on input parsers. I thought I'd copy the thread here as a blogpost.I am spending far too long on this chapter on "parsers". It's this huge gaping hole in Computer Science where...
Errata Security

Hacker Jeopardy, Wrong Answers Only Edition

Among the evening entertainment at DEF CON is "Hacker Jeopardy", like the TV show Jeopardy, but with hacking tech/culture questions. In today's blog post, we are going to play the "Wrong Answers Only" version, in which I die upon...
Errata Security

Securing devices for DEFCON

There's been much debate whether you should get burner devices for hacking conventions like DEF CON (phones or laptops). A better discussion would be to list those things you should do to secure yourself before going, just in case.These...
Errata Security

Why we fight for crypto

This last week, the Attorney General William Barr called for crypto backdoors. His speech is a fair summary of law-enforcement's side of the argument. In this post, I'm going to address many of his arguments.The tl;dr version of this blog...
Errata Security

Censorship vs. the memes

The most annoying thing in any conversation is when people drop a meme bomb, some simple concept they've heard elsewhere in a nice package that they really haven't thought through, which takes time and nuance to rebut. These memes...
Errata Security

Some Raspberry Pi compatible computers

I noticed this spreadsheet over at r/raspberry_pi reddit. I thought I'd write up some additional notes.https://docs.google.com/spreadsheets/d/1jWMaK-26EEAKMhmp6SLhjScWW2WKH4eKD-93hjpmm_s/edit#gid=0Consider the Upboard, an x86 computer in the Raspberry Pi form factor for $99. When you include storage, power supplies, heatsinks, cases, and so...
Errata Security

Your threat model is wrong

Several subjects have come up with the past week that all come down to the same thing: your threat model is wrong. Instead of addressing the the threat that exists, you've morphed the threat into something else that you'd...
Errata Security

Almost One Million Vulnerable to BlueKeep Vuln (CVE-2019-0708)

Microsoft announced a vulnerability in it's "Remote Desktop" product that can lead to robust, wormable exploits. I scanned the Internet to assess the danger. I find nearly 1-million devices on the public Internet that are vulnerable to the bug....
Errata Security

A lesson in journalism vs. cybersecurity

A recent NYTimes article blaming the NSA for a ransomware attack on Baltimore is typical bad journalism. It's an op-ed masquerading as a news article. It cites many to support the conclusion the NSA is to be blamed, but...
Errata Security

Programming languages infosec professionals should learn

Code is an essential skill of the infosec professional, but there are so many languages to choose from. What language should you learn? As a heavy coder, I thought I'd answer that question, or at least give some perspective.The...
Errata Security

Was it a Chinese spy or confused tourist?

Politico has an article from a former spy analyzing whether the "spy" they caught at Mar-a-lago (Trump's Florida vacation spot) was actually a "spy". I thought I'd add to it from a technical perspective about her malware, USB drives,...
Errata Security

Assange indicted for breaking a password

In today's news, after 9 years holed up in the Ecuadorian embassy, Julian Assange has finally been arrested. The US DoJ accuses Assange for trying to break a password. I thought I'd write up a technical explainer what this...
Errata Security

Some notes on the Raspberry Pi

I keep seeing this article in my timeline today about the Raspberry Pi. I thought I'd write up some notes about it.The Raspberry Pi costs $35 for the board, but to achieve a fully functional system, you'll need to...
Errata Security

A quick lesson in confirmation bias

In my experience, hacking investigations are driven by ignorance and confirmation bias. We regularly see things we cannot explain. We respond by coming up with a story where our pet theory explains it. Since there is no alternative explanation,...
SC Magazine

Ning Wang – Offensive Security

Ning WangCEO Offensive Security Why Nominated: Ning Wang is a rising star has worked to break the boundaries in the security industry, so that people can see that anyone is capable of starting a career in cybersecurity and advancing it –...
SC Magazine

Dani Martínez – IOActive

Dani MartínezSecurity ConsultantIOActive Why nominated: Dani Martínez proved to be a self-starter, beginning his career in IT he soon developed an interest in cybersecurity and began taking online courses in his spare time. Martínez also dove write in and began a cybersecurity blog...
SC Magazine

Maurice Stebila – Harman, a Samsung Company

Maurice StebilaDigital Security,Compliance and Privacy OfficerHarman, a Samsung Company Why nominated: Maurice Stebila has spent more than 30 years in the automotive, manufacturing and financial services industry supporting two of the world’s largest companies – EDS/General Motors and Harman by Samsung...
SC Magazine

Ed Adams – Security Innovation

Ed AdamsPresident and CEOSecurity Innovation Why Nominated: A highly respected veteran of the cybersecurity industry, Security Innovation CEO Ed Adams has taken on several new leadership roles in the year or so. Last April, he was named to board of directors of...
SC Magazine

David Archer – Galois

David ArcherPrincipal scientistGalois Why Nominated: Archer, an advocate for preserving privacy of data even when it’s used in decision-making both within the U.S. at all levels of government as well as internationally, directs research in privacy-preserving information technologies. Profile:  David Archer is all...