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Photo: Omar Marques/SOPA Images/LightRocket via Getty Images

Instagram users are being blocked from logging in, only to find later their accounts have been hacked and their credentials often newly linked with a Russian email ending in .ru.

What’s happening: Instagram is investigating the hacking claims following a spike in reports, but doesn’t know whether these are actually Russians hacking or whether it's just someone using a Russian email. Instagram is currently helping customers regain access to their accounts and working to roll out its own third-party app authentication.

Yes, but: But some accounts getting hacked already had two-factor authentication (2FA) in place, per The Sun, which is a security feature intended to add an extra step to block potential hackers

The key is, not every 2FA is made equal. Using SMS as the second step — like how Instagram's currently works — can be vulnerable. SMS 2FA is not as secure as using physical, hardware-based keys. Google hasn’t had any of its more than 85,000 employees phished on work-related accounts since implementing physical key use in early 2017, according to KrebsOnSecurity.

By the numbers: Kaspersky Lab products prevented approximately 68,000 attempts to visit phishing pages imitating Instagram this year. And in July, Kaspersky "witnessed a spike in this attack vector — on July 31, the number of phishing attacks skyrocketed from around 150 per day to almost 600," per Kaspersky.

Go deeper

Why made-for-TV moments matter during the pandemic

Photo illustration: Sarah Grillo/Axios. Photos: Erin Schaff-Pool, Biden Inaugural Committee via Getty Images

In a world where most Americans are isolated and forced to laugh, cry and mourn without friends or family by their side, viral moments can offer critical opportunities to unite the country or divide it.

Driving the news: President Biden's inauguration was produced to create several made-for-social viral moments, a tactic similar to what the Democratic National Committee and the Biden campaign pulled off during the Democratic National Convention.

Updated 7 hours ago - World

Over 3,000 detained in protests across Russia demanding Navalny's release

Russian police officers beat protestesters at a rally against of jailing of oppositon leader Alexei Navalny in Moscow on Saturday. Photo: Mikhail Svetlov/Getty Images

Police in Russia on Saturday arrested more than 3,300 people as protesters nationwide demanded that opposition leader Alexey Navalny be released from jail.

Details: Demonstrations began in the eastern regions of Russia and spread west to more than 60 cities.

Updated 9 hours ago - Politics & Policy

Arizona Republicans censure Cindy McCain and GOP governor

Combination images of Cindy McCain and Gov. Doug Ducey. Photo: FilmMagic/FilmMagic for U.S.VETS/Michael Brochstein/SOPA Images/LightRocket via Getty Images

Arizona Republican Party members voted on Saturday to censure prominent GOP figures Cindy McCain, Gov. Doug Ducey and former Sen. Jeff Flake (R-Ariz.), who've all faced clashes with former President Trump.

Why it matters: Although the resolution is symbolic, this move plus the re-election of the Trump-endorsed Kelli Ward as state GOP chair shows the strong hold the former president has on the party in Arizona, despite President Biden winning the state in the 2020 election.