You are working as a Security Analyst in a company XYZ that owns the whole subnet range of 23.0.0.0/8 and
192.168.0.0/8.
While monitoring the data, you find a high number of outbound connections. You see that IP's owned by XYZ (Internal) and private IP's are communicating to a Single Public IP. Therefore, the Internal IP's are sending data to the Public IP.
After further analysis, you find out that this Public IP is a blacklisted IP, and the internal communicating devices are compromised.
What kind of attack does the above scenario depict?

Let's imagine three companies (A, B and C), all competing in a challenging global environment. Company A and B are working together in developing a product that will generate a major competitive advantage for them. Company A has a secure DNS server while company B has a DNS server vulnerable to spoofing. With a spoofing attack on the DNS server of company B, company C gains access to outgoing e-mails from company B.
How do you prevent DNS spoofing?

Which one of the following Google advanced search operators allows an attacker to restrict the results to those websites in the given domain?

A large mobile telephony and data network operator has a data center that houses network elements.
These are essentially large computers running on Linux. The perimeter of the data center is secured with
firewalls and IPS systems.
What is the best security policy concerning this setup?

Which tool allows analysts and pen testers to examine links between data using graphs and link analysis?