# Default Block Backdoor/Subseven Trojan

**URL:** <https://boards.straightdope.com/t/default-block-backdoor-subseven-trojan/87601>\
**Category:** Factual Questions\
**Created:** [October 16, 2001, 12:01am UTC](https://boards.straightdope.com/t/default-block-backdoor-subseven-trojan/87601 "2001-10-16T00:01:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Poloin99](https://avatars.discourse-cdn.com/v4/letter/p/eb9ed0/32.png) [@Poloin99](https://boards.straightdope.com/u/Poloin99)\
**Post date:** [October 16, 2001, 12:01am UTC](https://boards.straightdope.com/t/default-block-backdoor-subseven-trojan/87601/1 "2001-10-16T00:01:27Z")

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I have Norton Internet Security. Every time I have a security alert the details say it was a “Default Block Backdoor/Subseven Trojan”. What does this mean? Thanks for the information!!