By Mohammed Noraden Alsaleh, Ehab Al-Shaer, Adel El-Atawy (auth.), Ehab Al-Shaer, Xinming Ou, Geoffrey Xie (eds.)
In this contributed quantity, prime foreign researchers discover configuration modeling and checking, vulnerability and threat evaluation, configuration research, and diagnostics and discovery. The authors equip readers to appreciate computerized safeguard administration platforms and methods that bring up total community assurability and usefulness. those regularly altering networks shield opposed to cyber assaults through integrating 1000's of safety units akin to firewalls, IPSec gateways, IDS/IPS, authentication servers, authorization/RBAC servers, and crypto platforms. computerized safety administration provides a couple of subject matters within the sector of configuration automation. Early within the publication, the bankruptcy authors introduce modeling and validation of configurations in line with high-level necessities and talk about how you can deal with the safety possibility due to configuration settings of community platforms. Later chapters delve into the concept that of configuration research and why it is vital in making sure the safety and performance of a accurately configured procedure. The booklet concludes with how one can determine difficulties while issues get it wrong and extra. a variety of theoretical and sensible content material make this quantity necessary for researchers and pros who paintings with community systems.
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Additional resources for Automated Security Management
The first one is under protective label: an object does not get sufficient secrecy tags. For example, the token file which can be used to acquire capability Dec C is somehow accessible for the editor. The second misconfiguration is extra privilege: a process gets extra tags or capabilities for its task. Bob’s editor process, which does not need to communicate with the network, accidentally gets the privilege Bs of declassifying Bob’s data (probably for convenience). With these misconfigurations, malicious processes now can achieve their goals, as Fig.
Safe information flow) Information flow from oi to oj is safe iff Lsoi Â Lsoj and Lioi Ã Lioj . This rule ensures that confidential information will never be leaked to untrusted objects, and similarly, untrusted objects will never hamper high integrity objects. 2 Capabilities To support advanced functionalities and security requirements, Flume allows processes to change their labels dynamically using capabilities denoted as a set Cp (we will use C sp and C ip to represent the capabilities for secrecy tags and integrity tags, respectively).
Let suppose now that an event of type package_updated has occurred in the system affecting the package X (line 1). Usually, a complete evaluation of each OVAL definition involving the OVAL test that describes the property p2 should be carried out. However, only the truth value of the involved OVAL test for p2 is required for recomputing the results of all the descriptions affected. 1: Event-based vulnerability assessment algorithm achieve this, the objects affected by the event are retrieved (line 2) and compared with the objects related to the system properties (lines 3–4).
Automated Security Management by Mohammed Noraden Alsaleh, Ehab Al-Shaer, Adel El-Atawy (auth.), Ehab Al-Shaer, Xinming Ou, Geoffrey Xie (eds.)