Author Archives: Tirath

Performance-based contracting for cybersecurity

“Show me the incentive and I will show you the outcome.” — Charlie Munger Have you heard the one about how all the viruses are written by the antivirus companies? This joke makes the rounds at cocktail parties because it … Continue reading

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Podcasting: 5 dos and 5 don’ts

About 10 years ago (or was it 11 years… or 12 years… let’s cap it at 10 before I start to feel too old), I got a Sansa Clip. I loved my Sansa Clip. The killer app for me was … Continue reading

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The cyber killchain: wrong, but is it useful?

All models are wrong, but some are useful. The trick is to determine in what circumstances a model may be useful. This is where mistakes are made. Today I was at a seminar on cybersecurity in the context of individuas, … Continue reading

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Should Australia join ASEAN?

Former Australian Prime Minister Paul Keating believes that Australia should join ASEAN. This is a call that he has repeated since the surprise victory of Donald Trump. There are concerns about whether or not Australia could join ASEAN – certainly … Continue reading

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A high-level evaluation of the OpenBSM audit system in OS X

One of the BSD legacy security mechanisms included with OS X is OpenBSM. This is an audit mechanism. In contrast, TrustedBSD (also included with OS X) is a mandatory access control mechanism which can block system calls based on some … Continue reading

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Disabling revoked cert checking for malware research on OS X

Malware research involves running malware samples, typically in VMs. Because developer codesigning certificates are trivial to acquire in the Apple ecosystem, OS X malware samples are very often code signed. When malware is discovered, Apple can and often does revoke … Continue reading

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httrack for downloading websites

Scraping web pages for offline hosting can be handy for testing. I’m a long-time wget fan, but for pulling down entire web pages, CSS/JS bits and all, it just trips up too easily, so I needed something better. Some quick … Continue reading

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