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Category: security

Information security: what does integrity mean?

By Jack Posted on March 3, 2026 Posted in computer security, security Tagged with cybersecurity, security triad

Self-tutoring about information security: the tutor mentions the idea of integrity. The following is according to my understanding. Integrity, in terms of information security, means that the information one receives is the same as what was sent. In particular, it …

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Internet: mixed content

By Jack Posted on June 27, 2020 Posted in security

Self-tutoring about internet surfing: the tutor mentions mixed content. I went to a website today that, though served with https, came with a “mixed content” warning. You can tell by a yellow “alert” triangle on the padlock to the left …

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Internet security: closing browser after logout, part 1

By Jack Posted on March 24, 2019 Posted in security

Self-tutoring about internet security: the tutor continues about closing the browser after logging out. I begin in yesterday’s post about closing the browser after logging out, which numerous sites seem to encourage now. A relevant question seems to be, “Does …

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Internet security: closing browser after logout: part 0

By Jack Posted on March 23, 2019 Posted in security

Self-tutoring about internet security: the tutor looks into advice he notices often. Lately I’ve oft noticed advice like “To complete logout please close your browser.” Why is such a follow-up required after logging out? One point I’ve seen mentioned is …

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