Introduction to Security and Network Forensics by William J. Buchanan

By William J. Buchanan

Keeping up with the most recent advancements in cyber safeguard calls for ongoing dedication, yet with no enterprise beginning within the rules of computer safety and electronic forensics, these tasked with safeguarding deepest info can get misplaced in a turbulent and transferring sea. delivering this type of foundation, Introduction to protection and community Forensics covers the fundamental ideas of intrusion detection platforms, encryption, and authentication, in addition to the most important educational rules on the topic of electronic forensics.

Starting with an outline of common safeguard innovations, it addresses hashing, electronic certificate, better software program defense, and community defense. The textual content introduces the techniques of threat, risk research, and community forensics, and comprises on-line entry to an abundance of ancillary fabrics, together with labs, Cisco demanding situations, try questions, and web-based video clips. the writer offers readers with entry to an entire set of simulators for routers, switches, instant entry issues (Cisco Aironet 1200), PIX/ASA firewalls (Version 6.x, 7.x and 8.x), instant LAN Controllers (WLC), instant ADUs, ASDMs, SDMs, Juniper, and lots more and plenty extra, including:

  • More than 3,700 specific Cisco demanding situations and 48,000 Cisco Configuration problem Elements
  • 60,000 try questions, together with for qualified moral Hacking and CISSP®
  • 350 router labs, one hundred eighty change labs, one hundred sixty PIX/ASA labs, and eighty instant labs

Rounding out insurance with a glance into extra complicated subject matters, together with facts hiding, obfuscation, internet infrastructures, and cloud and grid computing, this e-book presents the fundamental figuring out in machine defense and electronic forensics required to improve and enforce powerful safeguards opposed to ever-evolving cyber safety threats.
Along with this, the text includes a range of on-line lectures and similar fabric, to be had at: http://asecuritybook.com.

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Extra resources for Introduction to Security and Network Forensics

Sample text

12 Snort. SNORT agent Log data Anomaly detection. Statistical anomalies, such as user logins, changes to files, and so on. 47 Intrusion Detection Systems where TCP and UDP are transport layer protocols, while ICMP and IP are Internet (/network) layer protocols. 13. The source and destination address can be defined as any or with an IP address and a subnet mask. 255. Along with this, the TCP/UDP port(s) can be defined as follows: any; a range of ports (m:n which is port m to port n); or a specified port.

The openness of wireless systems and its weak security protocols have thus allowed the development of robust security protocols, which are now being applied into general system security and are providing for a framework that tries to verify not only hardware systems but also users. This level of authentication is obviously a key element in any defense-in-depth strategy, as the system must guard against spoof attacks, which is similar to a spy in a military environment who may disguise their homeland and ID with fake travel documents and a fake passport.

For example, a networked printer should have a policy that restricts access to individual users and also groups of users. Often 18 Introduction to Security and Network Forensics in a hierarchal network the entities should inherit security policies from the hierarchy above them. For example with file directories, the subdirectories will often inherit their security policies from the level above, unless otherwise stated. This type of approach typically simplifies the security policy for the overall system.

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