A survey conducted by CareerBuilder dot com found that 1 in 4 hiring managers say they have used the internet to screen candidates applying for jobs. 1 in 10 say they have used social networking sites in researching potential hires.

51% of the time, the applicant did not get the job based on an internet investigation and when social networking sites were accessed, it cost the applicant the job 63% of the time.

Divulging personal information on the net can be a risky business for your career. Everything from unprofessional screen names to bad-mouthing former employers were cited as reasons a candidate did not get hired. 31% of the time the company was able to determine that the candidate did not have the qualifications claimed on a resumé.

“While sharing information online can have a potentially negative impact on your job search or career plans, it can also be leveraged as a tool to differentiate yourself to employers,” said Rosemary Haefner, Vice President of Human Resources at CareerBuilder.com.

“Highlighting professional and personal accomplishments and showcasing your creativity can help a candidate make a positive lasting impression on employers and validate why he/she is the right person for the job,” she added.

Read the do’s and don’ts in the full article at Consumer Affairs