Survey: Almost a quarter, 23 percent, of firms do not know how hackers got into their networks. 67 percent said that malware had infiltrated their networks through email, 63 percent named web surfing as a vector of infection. 46 percent of all organizations surveyed did not have a threat intelligence solution in place. Almost half, or 46 percent, said they would use it all the time if it was available to them. Even free or low-cost resources can be useful for investigators trying to analyze a threat.”]
Source: https://www.csoonline.com/article/2989957/quarter-of-firms-cant-tell-how-hackers-get-in.html