San Francisco, Mar 21: Facebook on Thursday admitted that millions of passwords were stored in plain text on its internal servers, a security slip that left them readable by the social networking giant's employees.

"To be clear, these passwords were never visible to anyone outside of Facebook and we have found no evidence to date that anyone internally abused or improperly accessed them," vice president of engineering, security, and privacy Pedro Canahuati said in a blog post.

The blunder was uncovered during a routine security review early this year, according to Canahuati.

He said that the Silicon Valley company expected to notify hundreds of millions of Facebook Lite users; tens of millions of other Facebook users, and tens of thousands of Instagram users whose passwords may have been vulnerable to prying eyes.

The basic security shortcoming was revealed on the heels of a series of controversies centered on whether Facebook properly safeguards the privacy and data of its users.

The basic data defense mistake would also appear contrary to the "Hacker Way" mantra that Facebook co-founder Mark Zuckerberg has espoused at the social network.

"One Hacker Way" is the main address of Facebook's vast campus in the California city of Menlo Park.

Brian Krebs of security news website KrebsOnSecurity.com cited an unnamed Facebook source as saying the internal investigation had so far indicated that as many as 600 million users of the social network had account passwords stored in plain text files searchable by more than 20,000 employees.

The exact number has yet to be determined, but archives with unencrypted user passwords were found dating back to the year 2012, according to Krebs.

"We have fixed these issues and as a precaution we will be notifying everyone whose passwords we have found were stored in this way," Canahuati said.

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Dubai: Dr. Thumbay Moideen, Founder of Thumbay Group has been featured in this year's “The 100 NRIs by Entrepreneur Middle East.”

The annual feature recognises 100 prominent Non-Resident Indian entrepreneurs from diverse fields. Other notable names on the list include Zakariya Jokatte, Ashish Koshy, Deepak Babani, Pankaj Kundr, Faizal E. Kottikollon, Dr. Vivek Oberoi, and Prashant Goenka.

Dr. Thumbay Moideen, son of the late community leader B. Ahmed Haji Mohiudeen, is a prominent alumnus of St. Aloysius College, Mangaluru. He has earned widespread recognition in the UAE and beyond for his contributions to higher education and healthcare. He is also a recipient of the Karnataka State Rajyotsava Award 2025.

 
 
 
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In 1997, Dr. Moideen founded the Thumbay Group, a diversified international conglomerate that has expanded into health education, healthcare services, and medical research. In 1998, he became the first Indian invited by the rulers of Ajman to establish a medical college in the UAE, which has now grown into a university with its own network of hospitals, clinics, medical centers, and pharmacies across the country.

Dr. Moideen’s achievements have been recognised in respected publications, including Forbes Middle East and Arabian Business. He has also received an Honorary Fellowship from the International Medical Sciences Academy (IMSA) and an honorary doctorate from Amity University.

Today, Thumbay Group institutions cater to students and healthcare professionals from over 100 nationalities, contributing to workforce development and research-driven healthcare practices. Dr. Moideen is widely regarded as one of the most influential Non-Resident Indians in the Gulf, a respected voice from the Beary community, and a leading Muslim entrepreneur and educationist.

Over the past decades, he has steered Thumbay Group’s expansion into a multi-sector organisation focusing on academic medicine, research-led healthcare, and global education. His initiatives have created opportunities for thousands of healthcare professionals and students while strengthening healthcare delivery systems and academic collaboration across regions.