By Theodore Parker
This can be a loose ebook approximately laptop, community, technical, actual, info and cryptographic safety. you could obtain it as a pdf dossier or learn it online.
I wrote this paper to attempt and consider the common difficulties in desktop safety and comparable parts, and try and extract from them ideas for protecting structures. To this finish i try to synthesize a variety of fields of data, together with desktop safeguard, community safeguard, cryptology, and intelligence. I additionally try and extract the rules and implicit assumptions in the back of cryptography and the security of labeled info, as received via reverse-engineering (that is, expert hypothesis in line with present laws and stuff I learn in books), the place they're suitable to technological security.
Table of Contents
Economics of Security
id and Authentication
Authorization – entry Control
safe method Administration
software program Security
Human components and Usability
belief and body of workers Security
Randomness and Unpredictability
info and Intelligence
clash and Combat
Editorials, Predictions, Polemics, and private evaluations
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Extra info for Security Concepts
If plugging a USB drive into your system causes it to automatically run things like a standard Microsoft Windows X P installation, then any plugged-in device is part o f the attack surface. But even if it does not, then by plugging a USB device in you could potentially overflow the code which handles the USB or the driver for the particular device which is loaded; thus, the USB networking code 32 and all drivers are part o f the attack surface if you can control what is plugged into the system.
The reasons you might not balance all security systems may include: Economics matter here; it may be much cheaper and reliable to buy a fire wall than put your employees through security training. Software security measures sometimes have zero marginal cost, but hardware almost always has a marginal cost. E x p o su r e affects your risk calculations; an Internet attack is much more likely than a physical attack, so you may put more effort into Internet defense than physical defense. Capability implies in that organizations have varying abilities.
Often they are combined, where the access request has to pass both tests, meaning that the effective permission set is the intersection o f the MAC and DAC permissions.
Security Concepts by Theodore Parker