Internet Safety and Protecting Your Cookies

The Modern Dilemma A friend asked me, “What can I do to keep safe on the Internet?” These days, most Internet access is through browsers. But not all of it. I do not use web mail. Electronic mail should be done with a dedicated tool like Thunderbird, configured for viewing messages in plain text form, […]
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How Secure Are Password Managers?

In Learning Tree’s System and Network Security Introduction course we talk about the tradeoff between security and convenience. They’re usually at either end of the seesaw: If one is going to go up, the other has to go down. For clear examples of this, see the password managers implemented as parts of web browsers and […]
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The Internet Has Serious Trust Problems, Part 4: Trouble in Turkey, Carefully Corrected

Last week, the week before, and the week before that, I explained how the cryptographic side of digital certificates and secure web site identity works, and how there have been some continuing problems with what many see as misbehavior by root CAs. We introduce the technical side in in Learning Tree’s System and Network Security […]
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The Internet Has Serious Trust Problems, Part 3: Subordinate CA Certificates Lead to Policy Changes

Last week and the week before I explained how the cryptographic side of digital certificates and secure web site identity works, as we discuss in in Learning Tree’s System and Network Security Introduction course, but there are continuing problems with corporate trust caused by what many see as misbehavior by root CAs.. ANSSI was discovered […]
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