TrendMicro sends passwords in plain text - that's security

I just subscribed to the online account and got this:

Dear Alex Sxxxxxx,

Thank you for registering Worry-Free Business Security Services for Dell. Your account will be activated immediately.

Account Information Service Name: Worry-Free Business Security Services for Dell Activation Code: WF-HMWA---------------------

Logon Information User Name: syrnick Password: PASSWORD IN PLAIN TEXT Validity: 455 days (2/7/2011 - 5/7/2012) Product/Service Console: https://wfbs-svc.trendmicro.com/dell/

With password in plain text that makes me worry - what do they know about security?