Three years after Target missed alerts warning them about a massive data breach, the amount of threat information coming in from security systems is still overwhelming for many companies, according to new reports, due to a lack of expertise and integration issues.

Seventy percent of security pros said that their companies have problems taking actions based on threat intelligence because there is too much of it, or it is too complex, according to a report by Ponemon Research released on Monday. In particular, 69 percent said that their companies lacked staff expertise. As a result, only 46 percent said that incident responders used threat data when deciding how to respond to threats, and only 27 percent said that they were effective in using the data.

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