* Carrier joins an expanding list of RBOCs offering outsourced security services to enterprises
Carrier to offer managed service based on tools it has been using internally.
Former WorldCom CEO expected to begin serving his sentence in mid-October
* Juniper reports earnings
* Former WorldCom CEO expected to begin serving his sentence in mid-October
* Also: Internet minds try to curb unwanted traffic; Sprint to buy wireless affiliate for $1.3 billion
Research firm says market continues to be a huge profit center for carriers
* Research firm says market continues to be a huge profit center for carriers