Table of Contents EXECUTIVE SUMMARY 4 INTRODUCTION 5 DATA COMMUNICATIONS – THE OSI MODEL 6 MEDIA LAYERS 7 HOST LAYERS 7 DEFENSE IN-DEPTH 8 FIREWALLS 8 NETWORK INTRUSION DETECTION/PREVENTION SYSTEMS (IDPS) 8 Signature Updates 9 User-defined Custom Signatures 10 HOST-BASED INTRUSION DETECTION SYSTEMS 10 ANTIVIRUS 11 SUMMARY 11 REFERENCES 12 Executive Summary Modern distributed data communication systems are comprised of hardware and software that facilitate the creation‚ manipulation
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Threats and Vulnerabilities Risks Likelihood Impact Risk Mitigation Techniques Introduction of viruses and malware to the organizational network • Data leakage/theft • “Owned” systems (zombies) • System downtime • Resources required to clean systems Likely Significant • Ensure that antivirus and antimalware controls are installed on all systems and updated daily. • Consider use of content filtering technology to restrict or limit access to social media sites. • Ensure that appropriate controls are
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Windows‚ on the other hand‚ tend to be cheaper‚ as there are thousands of different computers running Windows. Hence‚ they have to be competitively priced‚ to stand out against the others. However‚ this also applies to viruses and malware. There are more viruses and malware designed and targeted at Windows users as opposed to OS X. This is mainly because there are so many Windows users‚ that the rate of users accidentally loading viruses is much higher in Windows. Due to the lower user market for OS
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establishing a cyber security division and its main objective is to implement cyber attacks against other states. Those attacks can include propaganda‚ and inserting malware into a country command system and network operations (dni.gov). According to the report‚ Russia’s cyber division has been proven to be successful at implementing malware into other countries website and the likelihood of such attack on the U.S. is coming. Another country that continuously poses a cybersecurity threat is China. The
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the holidays right around the corner. This was the largest hack in retail history in the United States (Riley‚ Elgin‚ Lawrence‚ & Matlack‚ 2014). Although Target just had malware software that would detect any issues installed around the time of the hack‚ the security team and the software still failed to recognize the malware that was stealing millions of people’s information (Riley‚ Elgin‚ Lawrence‚ & Matlack‚
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1. Do you understand how to secure your computer since you reviewed the material? Explain your answer. Yes‚ after reviewing the material I understand how to secure my computer. First‚ I should keep my operating system and all software up to date‚ have a firewall and antivirus software‚ use strong passwords‚ use protection devices such as surge protectors‚ back up data‚ and follow guidelines to limit unauthorized access and use to my computer. The most important part of computer security is me‚ the
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There are many different methods for protecting information that is stored on computers. These methods include everything from password and usernames to biometric devices. There are also software solutions that are used‚ including antivirus and anti-malware software along with firewalls. All of this is to accomplish the desired
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Operating System Security Security is the most important part of an operating system when it comes to keeping the system and its information safe. There are various aspects to the security piece in an operating system; which are protocols‚ kernel and encryption. The UNIX/LINIX‚ Apple and Windows Server 2008 all have protocol‚ kernel and encryption features. These features need to be enabled to the highest level in order to have the most security for each of these operating systems. Even
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their own benefit as security functions were not completely & properly installed. The issues discussed can be handled by: 1. Unavailability of n/w: As CISO‚ I started the n/w intrusion detection system that was used in encountering the intruders & malwares before
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We surveyed 734 consumers who are 18 years and older and own a smartphone. The risks that we address in our survey concern location tracking‚ transmission of confidential payment without the user’s knowledge or consent‚ diallerware (specialized malware unique to smartphones)‚ spyware‚ viruses from insecure WiFi networks and others. What we learned is that most of the consumers in our study are using their smartphones without understanding that they are exposing their sensitive information to the
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