The companies for which I’ve worked, including the Omaha World-Herald, and many companies with which I do business, including my bank and credit card company, have warned me to be aware of the possibility of cyberattacks. These attacks can come in many forms, the warnings say, and can have a variety of impacts. As we have reported for weeks, Lee Enterprises, the parent company of the Omaha World-Herald and dozens of other news outlets, said it was the victim of just such a cyberattack on Feb. 3.