1. Provide one real world example where hashing was used as a security measure. Be sure to provide a source to validate your example. After you have provided an example you are to answer two questions: 1: Why did hashing work as a security measure in this instance? 2: What could have been done to defeat the hashing by hackers? 2.Select one of the following attacks and write 2 paragraphs describing how the attack works and what can be done to help reduce the effectiveness of the attack. • Frequency Analysis• Cipher-text Only Attack• Known Plaintext Attack• Chosen Plaintext Attack• Dictionary Attacks• Rainbow Tables• Birthday Attacks• Implementation Issues• Timing and Power Analysis Attacks• People Attacks 3. Find a recent article that discusses PKI and write a discussion post that meets the following (and all) requirements: 1. Cite the source of the news article in APA format. 2. Write 3-4 Paragraphs describing what the article is discussing, why you chose the article, and the relevance. 3. Find 1 scholarly source to support your statements about the article and cite it in APA format.