Thursday, February 20, 2020

Vulnerability Tools Essay Example | Topics and Well Written Essays - 2500 words

Vulnerability Tools - Essay Example nformation systems. Nessus is a comprehensive and open source security scanner. Plug-in architecture allows users to customize it as per their systems and networks. The security scanner frequently updates itself and provides full reporting, host scanning, and real-time vulnerability searches. Security audit features of Nessus are (Messmer, 2005): Credentialed and un-credentialed port scanning Network based vulnerability scanning Credentialed based patch audits for Windows and most Unix platforms Credentialed configuration auditing of most Windows, Unix platforms Robust and comprehensive credentialed security testing of 3rd party applications such as iTunes, JAVA, Skype and Firefox Custom and embedded web application vulnerability testing SQL database configuration auditing Cisco Router configuration auditing Software enumeration on Unix and Windows Testing anti-virus installs for out-of date signatures and configuration errors Another popular and open source tool for vulnerability an alysis is Wireshark. This tool, which was previously named as Ethereal, also provides functionality for packet sniffing. A relatively easy GUI along with various filtering and sorting options makes this tool perfect for non-savvy IT staff within organizations (Scalisi, 2010). Comparing Nessus and Wireshark Wireshark is considered to be at top of the list for network protocol analyzers. Wireshark not only provides vulnerability analysis, as its functionality can be resembled with â€Å"tcpdump.† It emphasizes protocols and represents data streams on the GUI. The major advantage that this tool has is the compatibility of operating systems, as it supports OS X, Windows, UNIX and Linux. Moreover, it also extensively supports Voice over IP that is a significant option for the organization, as international and corporate organizations use VoIP for communication purposes to save cost and at the same time deliver quality. Nessus, on the other hand, is used in more than 75,000 organiz ations around the globe and it is considered to be one of the world’s most popular vulnerability scanner (Ferguson, n.d.). However, the third version, i.e. version 3, has now been converted to a proprietary license as the scanning engine is still free and updates are also available after a week on a release. Relating with the Scenarios When Nessus is incorporated in a large enterprise, most probably, a government organization such as Department of Defense (DOD) networks, it will initiate a port scan and target the defined host or a network. After opening the port, it examines all the services that are running on the system or network and tests all the detected services against vulnerabilities defined in the Nessus vulnerability database (Kim, n.d.). As this tool can develop a testing platform for network resilience, the report generation is very comprehensive that is ideal for large enterprises. As it is an easy remote based vulnerability analysis tool, it can be best suited for large enterprises that are geographically dispersed in more than one continent

Tuesday, February 4, 2020

Remembered Event (Male) Essay Example | Topics and Well Written Essays - 1000 words

Remembered Event (Male) - Essay Example The fact is that I realized that I fell in love with that girl. Definitely, it was love on the spot. I wanted to help her but couldn’t even pronounce a word, for there was lump in my throat. The girl saw my efforts and came closer. With the first sentence of her and probably due to her marvelous smile the stupor chaining me was broken. Suddenly I found my ability to speak and after that very first moment of our conversation or even before it I caught myself on the thought that that girl, her charming name was Emma, was my destiny, my soul-mate and my love for the whole life. Probably, you may think that I am too sentimental for a male. But to my mind man’s obduration works only in the context of a single status or a one when he just doesn’t know what is love or simply doesn’t experience those feelings that I learnt when met Emma. Thus, after that day I laid siege to Emma by the means of every possible way. Surely, my addresses were romantic ones, since romanticism had opened within me to the extent that days and nights I spent inventing plan for our dates. After some time of my tremulous attention Emma said â€Å"yes† to my proposal of relations. And we started dating. There was no doubt that it was the beginning of the happiest time of my life. At least, I thought in such a way, for I was flying high above the sky. Every day I was planning something new and interesting to make happy my beloved Emma. Time passed apart from her was seemed everlasting. Seconds and minutes spent together were the greatest happiness for us. I felt Emma was my blessing of destiny. We even had our places in parks, cinemas, cafes and just in the streets. We enjoyed each other every moment of our dates without thinking of any serious questions and issues, which were waiting for us in the nearest future. Approximately after seven months of our romantic relations Emma told me that there was no future for us, as her parents didn’t see me as a good life