Network security

All of this could have been prevented if these companies focused more on their security rather than their profits. The group responsible for this calls themselves the “Lizard Squad”, a team of hackers that allegedly takes down companies to force them to work on their security. According to them, the attack was very easy and only took little time and money. If Microsoft and Sony increased their budget for their security program, it would have taken a lot more time and money in order to fulfill…

Subsequently, attacks against switches, routers, and networks may have serious consequences on the efficiency in addition to control functions of the power system. These attacks can take the form of network interference through the injection of ad-hoc crafted streams of packets designed to flood the network. Another form is single implementation vulnerability in which the goal is to exploit an irregularity of a particular model of network devices caused by implementation errors. Fortunately,…

If I will newly hired as IT Security Manager of a medium size business of 400 employees and have 6 personnel in our security department. My company CIO asked about the security plan of company, as a manger of IT company, I need to secure the data of company is my responsibility. Security strategy plan helps to prepare an organization to face any type of unwanted security issues. As a security manager first thing I will do the Identification of threat, assessment of risk and…

Kaplan University IT286 Unit 8.2 Jennifer Polisano Answer 8.2: As the IT Security Professional for Web Site 101, I will be recommending adjustments for recent security issues, including data loss due to employee negligence, physical break ins, identifying employee security standards, identifying network access specifics, and the recent hacking of the home page of Web Site 101. Web Site 101 currently has 300 employees working on three levels of the office building. In the previous…

can be divided into three main categories. 3.1 Network Penetration Test Network penetration test aims at identifying vulnerabilities in networks, network devices and hosts which can be exploited by hackers. These vulnerabilities can come from the flaws in design, operation or implementation of the network systems. For example, if the router of the company is hacked, the hacker may be able to access all the data being sent to and from the company’s network and even altered the content of these…

Security Considerations The issues with the current set up of our lab in an enterprise environment are control and exceptions. Control is an issue because with all of the computers on a different domain password policies and other security features will not be implemented. This hurts the organization because it is not prepared for an intrusion of their network. A good fix for this issue is to get the network on the same domain and keep control over all users. Having control over users passwords…

that is suitable for each enterprise and institute to achieve the maximum efficiency. The following table includes comparison between two methodologies- Open Source Security Testing Methodology Manual (OSSTMM) Information Systems Security Assessment Framework (ISSAF) OOSTMM as the name implies is a free manual used to conduct security testing in thorough and repeatable manner. This comprehensive document is…

Vulnerability of IT Infrastructures: Internal and External Threats Sylvester Ngoma Ph.D. Candidate Information Technology Educator March 04, 2012 Vulnerability of IT Infrastructures 1 Introduction The pervasive and complex nature of security threats to Information Technology (IT) continues to be a major concern for modern organizations and businesses. IT infrastructures, which have become the cornerstone of organizational management, are highly vulnerable to potential attacks and sabotage. IT…

hat hackers that are alittle bit of both. Whatever the case, most people give hacker a negative connotation.An ethical hacker is a person doing ethical hacking, security personnel that tries to penetrate in to a network to find if there is vulnerability in system. Ethical hackers alwayshave the permission to enter into the target network and they will think first with amindset of a hacker who tries to get in to the…

Logical security : Logical security consists of software safeguards for an organization's systems including user identification and password access, authentication, access rights and authority levels. These measures are to ensure that only authorized users are able to perform actions or access information in a network. Access control mechanism: As part of access control mechanism we are using MAC (mandatory access control mechanism) where users do not enjoy the privileges…