The ten-year limitations period is not absolute. It can be extended if you voluntarily agree to do so. Back in the bad old dates (before 1998), the IRS used to put enormous pressure on taxpayers to agree to extend the limitations period beyond ten years--such extensions often lasted for ten or even twenty years.
Certified Ethical Hacker. Certified Ethical Hacker (CEH) is a qualification obtained by assessing the security of computer systems, using penetration testing techniques. The code for the CEH exam is 312-50, and the certification is in Version 9 as of 2016.
The median salary of an ethical hacker is about $72,000, according to PayScale, and the top range can climb to well higher than $100,000. On the consulting side, the EC-Council states that CEH professionals can expect to be paid $15,000 to $ 45,000 per assignment.