Which of the following tools can Tobias use to overcome this issue?
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A: To find the commands by using Nmap, to scan a firewall protected host.
Q: In which of the following attacks, the attacker overflows a switch's address table with fake MAC…
A: the sppofing related to attacker overflowing the address table with fake MAc address is in step2 .
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A: Which of the following is not considered as a possible design flaw of handling session tokens? a).…
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A: Here's the solution:
Which of the following tools can Tobias use to overcome this issue?:
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a
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BitLocker Network Unlock
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b
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BitLocker To Go
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c
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Trusted Platform Module (TPM)
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d
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Windows Defender Smartscreen
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- You have been hired as a cybersecurity consultant for a company that has recently been breached in a crypto malware attack. According to file server logs, a large number of files on the network have been modified (encrypted). The company is looking for your guidance on the requirements below. Please provide a solution (in your own words) and your reasoning. a/ How to determine which files have been encrypted by the crypto-malware attack? The company would like to know the most efficient way as there are over 100,000 files potentially impacted. b/ What kind of policies and/or training would you suggest as a precautionary measure? c/ The company had some backups in alternate servers, but no consistent backup and recovery plan. The organization has agreed to have an RPO of 1 hour and an RTO of 4 hours. Please suggest the most appropriate backup strategy (full, differential, or incremental) to meet the requirement. d/ The company would like your help with their disaster recovery…How much room does an attacker using a MAC have to tamper with the Tag (the MAC) and the encrypted data? This attack is hopeless since the recipient can always identify whether the Tag/ciphertext has been tampered with.You have a client that has two servers that must transfer sensitive information between them across the network. The transfers of data must be encrypted so the information cannot be used if someone captures it as it traverses the network. What technology can you use? a. firewall b. BitLocker c. Kerberos d. IPsec
- Godwin Pharmaceuticals has a private web server for its corporate network that runs on a Linux operating system. A.You have been contacted to make its network remotely accessible to the IT department so that the IT department can have secure access to the workstations and, at the same time, the transmissions remain encrypted. Which of the following protocols would you apply so that the employees can have secured remote access to the computer server? 1.SSH 2.Telnet 3.RDP 4.POP3Your company has made a data-sharing agreement with another company. The administration of both companies has decided to use FTP to exchange data across their networks. On both ends of the network, data will be exchanged between already-established servers. You've been given the duty of coming up with a firewall-specific technique to allow this new connection. What is your plan of action? Which one would you recommend, and why?You have been called to conduct a forensics investigation of network activity within an organizational. The leadership of the organization is concerned that insecure protocols are being used on the network and would like proof of this activity. Using the packet capture file named Final.pcap conduct an analysis of the session and answer the following questions: What unencrypted file transfer protocols were used during the session? Where any login credentials sent during the session? Were any files transferred during the session?
- When using a MAC, an attacker attempts to alter both the Tag (the MAC) and the ciphertext (message authentication code). Is there any way to predict the outcomes if I act in this manner? If this attack succeeds, the target will always be able to spot a tampered Tag or ciphertext.To what extent may the Tag (the MAC) and encrypted data be altered by an attacker who is utilising a MAC? The receiver will always be able to tell whether the Tag/ciphertext has been modified, hence this attack is doomed to fail.Assume a web server can only receive TCP connections on port 80 (HTTP) and 22 (SSH), but not on any other ports. The web server can only establish connection to a database server hosted on private IP 192.168.100.100 on port 3000, but to no other machines inside or outside the network. Imagine this web server is running Linux, and we’re using iptables to define host-based firewall rules for it. Show the set of iptables commands to install necessary rules for this security policy.
- In this question, you will help Mallory develop new ways to conduct denial-of-service (DoS) attacks. (1) CHARGEN and ECHO are services provided by some UNIX servers. For every UDP packet arriving at port 19, CHARGEN sends back a packet with 0 to 512 random characters. For every UDP packet arriving at port 7, ECHO sends back a packet with the same content. Mallory wants to perform a DoS attack on two servers. One with IP address M supports CHARGEN, and another with IP address N supports ECHO. Mallory can spoof IP addresses. Is it possible to create a single UDP packet with no content which will cause both servers to consume a large amount of bandwidth? If yes, describe the header (i.e., source IP, destination IP, source port, and destination port) of your UDP package; otherwise, explain why? Assume now that CHARGEN and ECHO are now modified to only respond to TCP packets (post-handshake) and not UDP. Is it possible to create a single TCP SYN packet with no content which will cause…Miller Harrison was still working his way through his attack protocol. Nmap started as it usually did, by giving the program identification and version number. Then it started reporting back on the first host in the SLS network. It reported all of the open ports on this server. The program moved on to a second host and began reporting back the open ports on that system, too. Once it reached the third host, however, it suddenly stopped. Miller restarted Nmap, using the last host IP address as the starting point for the next scan. No response. He opened another command window and tried to ping the first host he had just port-scanned. No luck. He tried to ping the SLS firewall. Nothing. He happened to know the IP address for the SLS edge router. He pinged that and got the same result. He had been “blackholed,” meaning his IP address had been put on a list of addresses from which the SLS edge router would no longer accept packets. Ironically, the list was his own doing. The IDPS he had…Miller Harrison was still working his way through his attack protocol. Nmap started as it usually did, by giving the program identification and version number. Then it started reporting back on the first host in the SLS network. It reported all of the open ports on this server. The program moved on to a second host and began reporting back the open ports on that system, too. Once it reached the third host, however, it suddenly stopped. Miller restarted Nmap, using the last host IP address as the starting point for the next scan. No response. He opened another command window and tried to ping the first host he had just port-scanned. No luck. He tried to ping the SLS firewall. Nothing. He happened to know the IP address for the SLS edge router. He pinged that and got the same result. He had been “blackholed,” meaning his IP address had been put on a list of addresses from which the SLS edge router would no longer accept packets. Ironically, the list was his own doing. The IDPS he had…