![]() ![]() After the scan, a report is generated.In addition to identifying security loopholes, vulnerability scans also predict effective solutions to counter a threat or attack.Vulnerability scanning is a process of identifying network, application, and security vulnerabilities.Nessus is one of the great tools to help keep their domains free of the easy vulnerabilities that hackers and viruses commonly look to exploit. There are different Scanning tools in the market which help us to find out these types of weaknesses in our system. □ The results of Nessus report can be reported in various formats such as plain text, XML and HTML etc.A vulnerability is a weakness or error in a system or device’s code that, when exploited, can compromise the confidentiality, availability, and integrity of data stored in them through unauthorized access, the elevation of privileges, or denial of service. A client/server architecture with a web based interface and an embedded scripting language for writing your own plugins or understanding an existing one. Key features include remote and local authorized security checks. □ Nessus is also constantly updated with more than 70000 plugins. A scripting language that are optimized for custom network interaction. □ The vulnerability tests available as subscriptions are written in NASL (Nessus attacks scripting language). □ In a typical operation, Nessus begins by performing a port scan to determine which ports are open on that target and then tries various exploits on the open ports. ![]() Besides that, attack like denials of service against the TCP/IP stack by using malformed packets. □ Nessus is able to call Hydra which is an external tool to launch a dictionary attack on the system. In addition, Misconfigurations like open mail relay, missing patches, use default passwords, common and blank passwords on some system accounts. This include the vulnerabilities that allow a remote hacker to control or access sensitive data on the system. □ Nessus allow scans for many types of vulnerabilities. ![]()
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