UEFI EDK II code-execution flaw: risk and response for organisations
What happened Reports describe a critical vulnerability in an open-source UEFI implementation (EDK II) that permits an attacker to execute code during…
Perspectives from our engineers.
How dependable systems are designed, why they decay and what keeps them running.
Lawmakers’ iPhones flagged for spyware: risks and response
What likely happened Reports say several German lawmakers and a filmmaker received notifications from Apple indicating their iPhones may have been com…
When Tor exit nodes are compromised: implications for SSH and email security
What happened — technical summary and what we know For a short period, 333 Tor exit nodes were hijacked and used to intercept traffic leaving the Tor…
Software Architecture Fundamentals
Software architecture is the set of significant decisions about how a system is structured: its components, how they interact, how data flows between…
Question the Default: Engineering From First Principles
A lot of engineering decisions are made by default. A team reaches for a framework because it is popular, adopts a pattern because a respected company…
System Entropy: How Architecture Decays and How to Manage It
Clean code in every module does not guarantee a healthy system. System entropy is decay at the level above the code: in the boundaries between compone…
Code Entropy: Why Clean Code Does Not Stay Clean
Most codebases do not become hard to work with because of one bad decision. They get there through hundreds of small, defensible ones. This is code en…
Why Software Falls Apart: Understanding Software Entropy
Software rarely fails all at once. It gets a little harder to change every month until a two-day feature takes three weeks, and nobody can point to th…
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