Reddit Locks Out Users Over Security Concerns

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Online community Reddit shut some users out of their accounts and forced password resets due to “unusual activity” which may have been a ‘credential stuffing’ attempt by hackers.

Reddit

California-based Reddit, founded in 2005, is a kind social network / online community.  Reddit, which is the fifth most popular site in the United States (Alexa figures), is split into over a million communities called “subreddits,” each one covering a different topic.  Reddit allows registered members to submit content to the site, and that content is voted up and down by other members.

What Happened With The Lockdown?

According to Reddit’s own reports, a large group of accounts had to be locked down due to a security concern which took the form of account activity that resembled someone using very simple passwords or the reuse of credentials across multiple websites or services – in other words, a credential-stuffing attempt.

Reddit’s admin known as “u/Sporkicide” reported that it appeared likely that a list of usernames and passwords, possibly taken from another compromised site, were being tried against other popular sites, including Reddit, to see if they work e.g. if a user had used the same username and password for multiple websites.

Reddit advised customers, those with locked accounts would be allowed to reset their passwords and thereby unlock and restore their accounts. Reddit said that the notification to do so would be a notification to the account (affected customers could still log in to get it) and/or an email to any support ticket raised by affected users.

Not The First Time

Back in August 2018 Reddit reported that between a June 14th and June 18, an attacker compromised some employee accounts through their cloud and source code hosting providers and was able to access some user data, including email addresses and a complete 2007 database backup containing old passwords and early Reddit user data from the site’s launch in 2005 through May 2007.

Advice

As well as announcing that it was conducting a “painstaking investigation” of the incident, Reddit advised users to make sure that they choose strong passwords that are unique to Reddit, update their email addresses to enable automated password resets, and add two-factor authentication their accounts to make them more secure.

What Does This Mean For Your Business?

This story highlights the importance of not using the same username and password across many websites.  The danger is that, if hackers can steal login credentials in a hack on one website, they or other attackers who have purchased/acquired the stolen data may well try to use that login data on many other popular websites to try and gain access.

Also, where other security measures such as two-factor authentication are available, it is worth using it as an extra obstacle to the kind of simple, opportunistic credential-stuffing attempts that are all-too-frequent.

Businesses/organisations should always encourage users to use login details that are unique to their website, give visual guidance on password strength on set-up, and specify a certain number of required characters for passwords e.g. including a capital letter, numbers, other special characters, and making the password a certain length.  As well as being a bit more secure, this can also help to stop people from using exactly the same password between multiple sites.

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