On Friday, May 12, 2017, computers in nearly 150 countries were infected with ransomware, a type of computer infection that locks users out of the computer's files until a ransom is paid. While ransomware has been a threat for years, this particular strain, called WanaCry, caused a major disruption for several thousand businesses and individuals.
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There are currently multiple serious security issues that may threaten Comcast Customers. There may be a high prevalence of phishing or virus activity, or a specific issue that is particularly widespread and/or dangerous. Customers are advised to make sure all security software is up-to-date, exercise extreme caution on the Internet, and check the Security Channel often for updates and any specific actions that should be taken.
The general level of security threat is currently elevated. There may be a new operating system vulnerability or a new form of spyware circulating on the Internet. Customers are encouraged to ensure all security software is up-to-date, check the Security Channel for any specific actions that should be taken, and maintain a high level of vigilance when using the Internet.
The general level of security threat is currently at a normal level. Threats exist, but none have been determined to have dire consequences. Customers with updated security software should be fully protected, but are encouraged to remain vigilant as always for suspicious activity.
The general level of security threat is currently lower than normal. The overall quantity and/or consequences of security issues are low, but threats do still exist. Customers should make sure security software is up-to-date and check the Security Channel for updated threat levels.