![]() LinkedIn reset all passwords for all affected accounts at the time. How to Check If You Are Victim of LinkedIn Breach LinkedIn has never confirmed the actual number of affected users, but cyber experts who have examined the stolen data say it is legitimate. However, in May of 2016, news broke again of the data breach because the severity came into question, and the collection of data was found on sale on the dark web. The actual Linkedin breach took place in June of 2012. The hackers claimed to have unencrypted all of the passwords. Only 117 of the accounts found in the data had passwords, so the other uses must have connected via Facebook or another login. ![]() A copy of the data was obtained from the Russians by LeakedSource and they confirmed with a few users that the LinkedIn username and hashed (SHA1) passwords were correct, and from the initial 2012 LinkedIn data breach. They advertised the loot on the “Real Deal” forum. The new information was disclosed when a hacker named “Peace” offered the stolen user accounts on the dark web for about $2,300 (5 bitcoins). Initially thought to have only affected 6.5 million users, in 2016, new information came to light revealing that virtually all 170 million LinkedIn members’ account logins were stolen. The LinkedIn data breach is a good example. Instead, it pays to be aware that this information is readily available, and to always validate any suspicious email requests like changes in payment information using a phone call to a familiar voice.Some things come to light only after the passage of time. "For many of us, LinkedIn is a necessary tool for promoting both ourselves and our employers – one that can't be ignored. "For some, it may be possible to simply not have a profile to limit their exposure – but this is an increasingly untenable position," added Clymber. In other words, due diligence is always recommended on all social media platforms, including LinkedIn. "Social media fills that instant gratification void and the humanistic need to be 'liked.' We all need to be wiser at knowing that we don't need to give an opinion on everything in the world nor to provide the online world sensitive details of our personal lives and those close to us." "Recent FBI warnings of incidents of thieves befriending people on the app and then baiting or even goading these unsuspecting users into crypto currency scams and other types of scams provide horrific examples of what can happen if one isn't careful," explained Garrubba. "All social platforms have the potential to be exploited by nefarious people and LinkedIn is certainly no exception," said Tom Garrubba, director of TPRM (Third Party Risk Management) professional services with Echelon Risk + Cyber. This is really no different from over-sharing on Facebook or Instagram of course. "Detailed resumes also provide valuable information that can be used in social engineering campaigns." ![]() "Personally Identifiable Information (PII) is a common component of a resume, and this is publicly exposed in a LinkedIn post," said Marsden. LinkedIn encourages the sharing or resumes for job seekers, but this can expose sensitive information about the user. Malicious actors create false profiles and seek to collect a network of 'connections' from whom to collect intel," warned Marsden. "While content is generally restricted to professional writing, job posting, and industry talk, there are still threats in using the platform. "LinkedIn can be a very valuable resource for professionals," said Matthew Marsden, vice president for technical account management at cybersecurity and systems management firm Tanium. Too often, however, the same level of due diligence employed on other social platforms is found to be lacking with LinkedIn. Proponents of LinkedIn maintain that it is the best way to network and find career opportunities. Virtually every targeted attack involves using LinkedIn for information gathering." "Using public information on LinkedIn, it is now possible to entirely automate information gathering where executives, financial staff, and other attractive phishing or spoofing targets are identified. "LinkedIn has become a crucial tool for attackers," warned Chris Clymer, director and CISO at cybersecurity risk management provider Inversion6. ![]()
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