Protect,Monitor,Defend,respond and invent full solution

I need a device or software from CISCO that can do the following:
1-Monitor my network for any threats,respond to it and monitor for any network errors.
2- Protect my network against any attacks or threats and defend in case of any internal threats suddenly happened
3- Make anetwork inventory for all my network appliances including software installed on Pcs and servers
4- inform the network administrator either by phone SMS or email in case of any network threats.

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I would recommend an ASA with firewall, Intrusion prevention system and content filtering. Check this out:

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