Unfortunately your blog does put you in cyberspace. This can make you and your blog vulnerable to security problems. This could include ID Theft or destruction of your blog information.
Key bits of ID Information
ID numbers, birth dates, specific street addresses, phone numbers
Other personal sites or addresses (street, Facebook, Twitter, email, et al) that may have personal data for you or your family or host families or friends (new and old)
Any information linked in any way to your passwords
In Posted Videos or Photos
No full name tags, no home addresses visible
Personal or Family Schedules or Future Events with Specific Dates
ANY DOUBT – DON’T POST IT!