Some companies are looking beyond traditional places to find talented women professionals.
"Information security is an enterprise-wide issue, and requires more skill sets than just engineering and IT," said (ISC) 2's Peeler. "More and more, people are being brought in and trained in security with backgrounds in law, analytics, social sciences, or auditing."
One example of an information security professional with a non-traditional background is Maria Horton, founder and CEO of security consulting firm EmeSec, who originally started out as an emergency room nurse and then joined the Navy and became the CIO of what is now the Water Reed Medical Center.
"I went to work with the Army, Navy and Air Force in implementing teleradiology systems," she said. These machines, which sent X-ray scans electronically, replaced the earlier generation of film-based machines. "Everything related to those digital images required a network, and everything related to the network required security. That's how I got into it."
She said that her medical background is a plus when it comes to security.
"When I look at a security issue that goes across the enteprise, I'm thinking about immunity factors, self-healing, all the things that relate to health care," she said.
Another approach is to get to women early, before they branch off into other fields in the first place. Many tech vendors are lining up to support educational outreach programs, trying to reach girls before they make a decision not to go into computer science.
"Our own experience has taught us that security practices are best achieved through diverse teams, since diversity enables the necessary different viewpoints on the security issues," said Marisa Viveros, IBM's vice president of security services.
As a result, IBM is helping support programs like Distinguished Lectures in STEM, the IBM "Girls Go TechKnow" summer camp, and Pathways in Technology Early College High School. IBM is also sponsoring the first National Women in Cybersecurity Conference this April, along with Google, Microsoft, Facebook, Lockheed Martin, and other organizations.
"Everything we're about as a society today is tied to technology," said Symantec's Joseph. "More women need to be a part of of this industry because we're defining the future of society."
And the information security profession is protecting that future.