The CIA contractor who spilled the beans about the scale of America's internet surveillance around the world, attended a superfast crash course on EC Council Certified Security Analyst (ECSA) and a course on Core Java at Koenig Solutions LTD in Moti Nagar area in 2010, revealed the institute trainers.
He stayed in Karol bagh during the course.
"He introduced himself as a Japan national working with the NSA, US Government. He was with us from September 3 to September 9, 2010," Sisir Panda, the technology manager who trained Snowden, told Indian Express.
The trainers remember him as a intelligent, quiet and cooperative student who had stayed in his hostel room and focused entirely on his course. He never shared a detail about his personal life with anyone and never interacted with anyone in the class, the trainers said.
"Snowden had excellent knowledge of networking, programming and security management. I wondered why he never had any questions, how he never interacted with anyone, never took a smoke break or never went out for the trips organised by the institute for its international students", the trainer told Indian Express.
The ECSA complements the Certified Ethical Hacker (CEH) certification by exploring the analytical phase of ethical hacking, says IE report.
The course helps students perform the intensive assessments required to effectively identify and mitigate risks to the security of the infrastructure, Sisir explained.
"In order to teach students how to secure their network, we have to teach them the techniques that a hacker uses to hack into an account. Hence we call it "Ethical Hacking", which one uses to ensure their own security. We teach them the concept, now it is up to the student as to how they put that knowledge into use," he said.