Two: keep your backup data somewhere else.
As for Lesson 2, unfortunately, the backup data were at 7 World Trade Center -- the third building to collapse.
Pitney Bowes, for example, is moving much of its backup data to sites that are far from any urban areas.
Many big banks and investment firms have set up relocation offices and backup data centers outside New York City.
There is a backup data channel on board, but it had not been used in the 18 years that Hubble has been aloft.
"We already have a data center in a different location in New Jersey and a backup data center in a suburb of Philadelphia".
Putting a backup data center or trading floor in New Jersey, which has the advantage of being on a different power grid than Manhattan, is not foolproof.
By the time the Atlantis blasted off, on May 11, Hubble was in bad shape, limping along on one 17-year-old camera and a backup data router.
Mr. Justen said he concluded that the chief technology officer had built multiple "backdoor" entrances into the MyBizHomepage software and had compromised the company's backup data.
The company said that most of its 14,000 employees in New York City would probably remain there, but that about 2,000 workers would be moved to Harrison, where the company plans to set up a backup data center.
In fact, it had merely made him a marked man: two days later, as Wired reported, Anonymous "took down [HBGary Federal's] website, stole his emails, deleted the company's backup data, trashed Barr's Twitter account and remotely wiped his iPad".
