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Network Security Testing Features
Why networks are vulnerable?
No matter how many people manage and automation is carried out, the networks and its components are bound to be vulnerable. This is because the network configurations keep on changing however, those may not always be carried out in a secure way. Strict procedures and policies are required but it is observed that those usually fail to get into the intricacies of network configurations. For example – a firewall change being performed to close a port needs to be done carefully; else, it will fix an intended port but may inadvertently open another port or an entire network segment.
Besides this, the inherent security vulnerabilities in the firmwares of various components may be insecure by design. Incorporating such components (for ex – firewalls, switches, servers etc), can render the network insecure.
How Network VAPT can impact the organization in a good way?
Time and again it had been observed that and internal vulnerability assessment can expose the default userid and passwords. Or in some cases it exposes a bunch of servers which were never patched in years. If a carefully prepared network vapt checklist is used, such loopholes can be brought to surface, thus increasing the overall network security posture of the organization.
In some cases it can also help expose few vulnerabilities which can potentially result into serious data thefts. On the same note, getting network pentesting performed by a technically best and known top network security company can really add value. Organizations are found to save money and time along with the reputation, if they perform the pentesting periodically via carefully designed processes.
Network Security Vulnerabilities and Impact
Following table shows that various types of vulnerabilities can result into serious damages to the organization. This table is for reference purpose only, while network security vapt should include appropriate methods and tools.
Vulnerability |
Risk |
Impact |
Externally open port on firewall |
External data theft or denial of service attack |
Data theft |
Internal unpatched server |
Internal data theft or malware attack |
Intellectual property loss or service unavailability |
Firewall misconfigured |
Internal or external data theft or malicious remote control |
Data theft |
Default userid and passwords allowed on a database server. |
Internal data leakage or malware attack |
Intellectual property |
Running old firmware on network components |
Targeted malware attack |
Reputational and monetary loss |
What Valency Networks Offers?
Valency Networks is a team of certified professionals who perform technically advanced attacks while performing network pentesting (VAPT) for an organization. Below list shows a gist of the security testing.
Exploit Categories
IP network exploits
Firewall device evasion
Router device evasion
Intrusion detection system bypassing
Perimeter defence exploits
L2-L3 switch exploits
VPN Exploits
Vulnerabilities Detected
IP ports (TCP / UDP) vulnerabilities
Device Detection
Service Mapping
Service Penetration
Device misconfiguration exploitation
Device Penetration
Standards Followed
OWASP Top 10 - 2014
NIST - CWE Standard
ISO27001:2013 Compliance
Test Approaches
Externally over Internet
Internally from within LAN
Advanced Network Security Attacks
Any corporate network undergoes lots of attacks over a period of time. While performing network pentesting, it becomes important to include those attacks in the penetration testing contract with the vendor company. Below is a list of few key attacks which matter a lot to corporates from information security standpoint.
DOS ATTACK
DoS attacks today are part of every Internet user's life. They are happening all the time, and all the Internet users, as a community, have some part in creating them, suffering from them or even loosing time and money because of them. DoS attacks do not have anything to do with breaking into computers, taking control over remote hosts on the Internet or stealing privileged information like credit card numbers.
Using the Internet way of speaking DoS is neither a Hack nor a Crack. It is a whole new and different subject. This section is entirely devoted to denial of service attacks and its variants. Here, we present a broad definition of this kind of network threat, and examples of the most common attacks.
WIFI SECURITY
Wireless security is something that most everyone wants, but which few actually use. Barriers to use include throughput loss in older 802.11b products, WEP's ability to be cracked, and di culty in getting the darned thing working!
What are the risk of wifi security
Unauthorized connections, Stealing bandwidth, Attacks on your systems from inside firewall, Attacks on 3, rd party systems that appear to be from you! Information leakage, Eavesdroppers capturing sensitive information, Often can be done from greater range than normal.
