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NEW YORK (
TheStreet) -- While news about security flaws on
LinkedIn's(LNKD - Get Report) Web site
sent shares down over 9% on Monday, security likely won't be a major concern among investors eyeing future IPOs from social media companies like
Rather, said security analysts, investors should be more focused on whether social networks can respond rapidly to security issues and treat privacy as a strategic element of their sites over the long term.
"Security issues won't affect social media IPOs ... but these concerns are too important to their users for companies to take seriously only after there's been an incident," said Jonathan Penn, an analyst at Forrester Research. "It's core to their brand value, and social media companies are keenly sensitive to brand issues."
News about LinkedIn's security flaws broke soon
after its monster IPO last Thursday, in which the business-oriented social networking site saw shares more than double.
An independent Internet security analyst based in India discovered over the weekend that LinkedIn has security problems that may make it vulnerable to hackers. The flaw is related to so-called cookies that store LinkedIn users' log-on information but don't expire for a full year from the date they were created.
In response, LinkedIn said it will reduce the life span of its cookies from one year to 90 days and support secure log-ons on an opt-in basis.
"LinkedIn takes the privacy and security of our members seriously, while also looking to deliver a great site experience, and we believe these two changes will allow us to strike that balance," the company said in a statement.
But while it's important for social networking firms to address security flaws once they're discovered, security must become a higher priority for these companies from the get-go, security experts said.
"Security is being added to the Internet as an afterthought, saying, 'Oh, I better fix that' but people should be going through their code with a fine toothcomb before [security issues] are discovered," said David Perry, the global director of education at computer antivirus software company
LinkedIn is far from the only social media company that has faced security issues.