research one publicized company network breach summarize the breach in detail and provide the countermeasures that would be applied if you were a security engineer

Research one publicized company network breach, summarize the breach in detail and provide the countermeasures that would be applied if you were a security engineer. If someone else has already discussed a breach, please find a different breach to discuss. The first student to discuss a breach will receive credit for discussing that breach.

Please provide with one main discussion of atleast 200 words with atleast two references. Also provide two general responses with atleast 100 words each and with two references.