Answer
In the Name of Allah, Most Gracious, Most Merciful.
All praise and thanks are due to Allah, and peace and blessings be upon His Messenger.
In this fatwa:
The basic principle of work in information technology field is that it is a communal obligation, unless it would lead to anything prohibited in Shari`ah or bring harm to others.
Answering your question, The Assembly of Muslim Jurists of America, states:
Information technology is a contemporary innovation which has made a great contribution to human civilization and has made life easier.
The basic principle of work in this field is that it is a communal obligation, unless it would lead to anything prohibited in Shari`ah or bring harm to others.
It is permissible to provide this service when necessary, even if it will be used in both permissible and prohibited activities, since the work one is being paid for is not prohibited in and of itself.
Read also:
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Can’t Find a Job Except in a Bank: What Should I Do?
Is Working a Security Job if Owner Sells Forbidden Items Haram?
Almighty Allah knows best.
Source: AMJA Online