LinkedIn Password Leak (3) or The cost of one leak

In June 2012, 6.5 million of nonsalted passwords leaked out of LinkedIn.  The company asked the affected members to change their password (and hopefully salted the hashed passwords).

When publishing the earnings of Q2, LinkedIn described some expenses.    Obviously, the leakage had a direct impact.

  • The forensic investigation itself cost in the range $500,000 and $1,000,000.
  • LinkedIn provisioned additional  $2,000,000 – $3,000,000 to increase their security.

Therefore, this leakage seems to have cost less than other recent leakages such as Sony network.   As the number of LinkedIn members still grew, it seems neither to have impacted the popularity of the site.  The Q3 results (to be published soon) should still show growth in membership.

There is no news about the class action initiated by Katie Szpyrka.

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