• #security on software development security and web security, security best practices and discussions, break-ins and countermeasures. Everything you ever wanted to know about software security but were afraid to ask, for fear of not understanding the answer!

Physical security

Guard your secrets

I meant to write about the subject of spying and corporate information security for a while now but got around to it only now. The article Confessions of a Corporate Spy has provided an excellent background for the discussion and is absolutely worth a read. Twenty years ago the corporate spying was already abound and ...

Read More

What are NFC cards and how are they protected?

Ever since I posted an initial article “Hack NFC Door Locks” I see a steady stream of people that come with queries like “what’s the protection of an NFC card” and “how do you hack a protected NFC card”. Obviously, there is something out there interesting enough for people to begin inquiring. What is an ...

Read More

Hack NFC Door Locks

I can see in the logs that people sometimes come to this site with interesting searches. A recent interesting search was “Hack NFC Door Locks”. Well, since there is interest in the subject, why not? Let’s talk about NFC, contactless smart card and RFID door locks, shall we not? The actual technology used for the ...

Read More

Philosophy of door locks

When working on security, there is something extremely important to keep in mind at all times. We are not trying to make systems impenetrable. We are trying to make it real, real hard for the attacker, that’s all. If an attacker has physical access to your system, you lost. All measures, passwords, firewalls, everything is ...

Read More