1, In current literature, research the use of biometrics to replace typed passwords. Describe the historical milestones of the technology and list its significant advantages and disadvantages. Find at least two real world examples where this technology is used, citing your sources for each and the dates of their publication. 2. Research the current literature to find instances of malware posing as legitimate software patches. Identify the estimated number of computers affected and the availability of repairs/patches. Describe the estimated damage in time and money. Cite your sources. 3. Wireless LANs can pose unique challenges for system operators. Imagine that you are the system administrator for a wireless network that is used in a scientific research setting. Identify the five biggest security challenges and discuss how you would address each of them despite your often-limited budget. 4. Describe the advantages and disadvantages of password generator software. Would you recommend the use of such software for your own system