Computer and software industry maker HP is in the process of notifying customers about a seemingly harmless security incident in 2010 that nevertheless could prove expensive for the company to fix and present unique support problems for users of its older products. Earlier this week, HP quietly produced several client advisories stating that on Oct. 21, 2014 it plans to revoke a digital certificate the company previously used to cryptographically sign software components that ship with many of its older products.
