Theoretical and Experimental Methods for Defending Against DDoS Attacks

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Denial of Service (DoS) attacks are a form of attack that seeks to make a network resource unavailable due to overloading the resource or machine with an overwhelming number of packets, thereby crashing or severely slowing the performance of the resource. Distributed Denial of Service (DDoS) is a large scale DoS attack which is distributed in the Internet. Every computer which has access to the Internet can behave as an attacker. Typically bandwidth depletion can be categorized as either a flood or an amplification attack. Flood attacks can be done by generating ICMP packets or UDP packets in which it can utilize stationary or random variable ports. Smurf and Fraggle attacks are used for amplification attacks. DDoS Smurf attacks are an example of an amplification attack where the attacker sends packets to a network amplifier with the return address spoofed to the victim’s IP address. This book presents new research and methodologies along with a proposed algorithm for prevention of DoS attacks that has been written based on cryptographic concepts such as birthday attacks to estimate the rate of attacks generated and passed along the routers. Consequently, attackers would be identified and prohibited from sending spam traffic to the server which can cause DDoS attacks. Due to the prevalence of DoS attacks, there has been a lot of research conducted on how to detect them and prevent them. The authors of this short format title provide their research results on providing an effective solution to DoS attacks, including introduction of the new algorithm that can be implemented in order to deny DoS attacks.A comprehensive study on the basics of network securityProvides a wide revision on client puzzle theoryAn experimental model to mitigate distributed denial of service (DDoS) attacks

Perfect Password: Selection, Protection, Authentication

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User passwords are the keys to the network kingdom, yet most users choose overly simplistic passwords (like password) that anyone could guess, while system administrators demand impossible to remember passwords littered with obscure characters and random numerals.

Every computer user must face the problems of password security. According to a recent British study, passwords are usually obvious: around 50 percent of computer users select passwords based on names of a family member, spouse, partner, or a pet. Many users face the problem of selecting strong passwords that meet corporate security requirements. Too often, systems reject user-selected passwords because they are not long enough or otherwise do not meet complexity requirements. This book teaches users how to select passwords that always meet complexity requirements.
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Metasploit Penetration Testing Cookbook, Second Edition

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In Detail

Metasploit software helps security and IT professionals identify security issues, verify vulnerability mitigations, and manage expert-driven security assessments. Capabilities include smart exploitation, password auditing, web application scanning, and social engineering. Teams can collaborate in Metasploit and present their findings in consolidated reports. The goal of the software is to provide a clear understanding of the critical vulnerabilities in any environment and to manage those risks.
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Cyber Security: Ein Einblick für Wirtschaftswissenschaftler (essentials) (German Edition)

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In diesem Buch erfahren Wirtschaftswissenschaftler, wie Firmen nach Hackerangriffen vom Markt verschwinden und wie Hacker Aktienkurse beeinflussen können. Lernen Sie, wie Homo oeconomicus beim Thema Cyber Security zum Homo carens securitate wird und wie es gelingt, mithilfe der wirtschaftswissenschaftlichen „Brille“ (oder: Perspektive/Sicht) ganz neue Lösungsansätze und Sichtweisen im Kampf gegen Wirtschaftsspione, Hacker und Cyber-Kriminelle zu erkennen. Cyber Security bzw. IT-Sicherheit ist ein Zukunftsthema, an dem kaum jemand vorbeikommt. Dieses Buch beschreibt anhand aktueller Vorfälle – ohne technisches Grundwissen vorauszusetzen –, was Ökonomen wissen müssen, um sich am Gespräch über eines der wichtigsten Zukunftsthemen unserer Zeit beteiligen zu können.

Hacking Back: Offensive Cyber Counterintelligence

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Learn the concepts, methods, and implications of offensive cyber counterintelligence
Hacking Back: Offensive Cyber Counterintelligence is a look at cyber counterintelligence theory in a WikiLeaks world. The authors detail techniques—from phishing to sniffing and from attribution to takedown—all bolstered by case examples and rooted in the authors’ many years of in-the-trenches experience in trap-setting and detecting breaches. The book’s field notes—some from identified hackers, and some from anonymous hackers—consist of exciting, never-before-told case examples. Details technically simple hacks, complex attacks, and famous network intrusions Organized by methods so security practitioners can quickly find specific tactics and techniques Dissects security breach scenarios, providing analyses of real-life operations from the authors’ many years of experience Explains the US and EU cyber laws every savvy security practitioner defending against cybercrime should know