San Francisco, Sep 28 : In the biggest-ever security breach after Cambridge Analytica scandal, Facebook on Friday admitted hackers broke into nearly 50 million users' accounts by stealing their "access tokens" or digital keys.
This allowed them to steal Facebook access tokens which they could then use to take over people's accounts, Facebook said in a statement.
Access tokens are the equivalent of digital keys that keep people logged in to Facebook so they do not need to re-enter their password every time they use the app.
"Our investigation is still in its early stages. But it's clear that attackers exploited a vulnerability in Facebook's code that impacted 'View As', a feature that lets people see what their own profile looks like to someone else," said Guy Rosen, VP of Product Management.
Facebook security team discovered the security issue on September 25, and it has now fixed the vulnerability and informed the law enforcement.
"We have reset the access tokens of the almost 50 million accounts we know were affected to protect their security.
"We're also taking the precautionary step of resetting access tokens for another 40 million accounts that have been subject to a 'View As' look-up in the last year," Facebook said.
As a result, around 90 million people will now have to log back into Facebook, or any of their apps that use Facebook login.
After they have logged back in, people will get a notification at the top of their News Feed explaining what happened.
"We're temporarily turning off the 'View As' feature while we conduct a thorough security review," Facebook said.
This attack exploited the complex interaction of multiple issues in Facebook code.
"The attackers not only needed to find this vulnerability and use it to get an access token, they then had to pivot from that account to others to steal more tokens," it said.
Facebook said it does not know who is behind this massive security attack.
"We're working hard to better understand these details and "we will update this post when we have more information, or if the facts change," said the company.
In the Cambridge Analytica scandal, data of nearly 87 million people was breached upon.
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Thiruvananthapuram (PTI): Buoyed by the strong performance of the Congress-led UDF in the local body polls, KPCC president Sunny Joseph said on Saturday that the front's results indicated the people had rejected the LDF government.
According to early trends, the UDF was leading in more grama panchayats, block panchayats, municipalities and corporations than the LDF.
The local body polls were held in two phases in the state earlier this week.
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Speaking to reporters here, Joseph said the people of Kerala had extended their support to the UDF.
"We could expose the LDF government’s anti-people stance and the people understood it. The LDF’s fake propaganda was rejected by the people. The UDF is moving towards a historic victory," he said.
He said a united effort, proper preparations, good candidate selection and hard work had resulted in the Congress and the UDF’s victory in the elections.
Asked about the prospects in the Thiruvananthapuram Corporation, Joseph said the party was studying the matter and would comment later.
LDF convenor T P Ramakrishnan said the results would be closely examined.
According to him, the government had done everything possible for the people.
"Why such a verdict happened will be examined at the micro level. People’s opinion will be considered and further steps will be taken," he said.
He added that decisions would be taken after analysing the results. "If any corrective measures are required, we will initiate them and move forward," he said.
AICC leader K C Venugopal said the results showed that people had begun ousting those who, he alleged, were responsible for the loss of gold at Lord Ayyappa’s temple.
"This trend will continue in the Assembly elections as well. It is an indication that the people are ready to bring down the LDF government," he said.
Venugopal said the UDF had registered victories even in CPI(M) and LDF strongholds.
"I congratulate all UDF workers for their hard work. Congress workers and leaders worked unitedly," he said.
Referring to remarks made by Chief Minister Pinarayi Vijayan against the Congress on polling day, Venugopal said the voters had responded through the verdict.
"I do not know whether the chief minister understands that the people are against him. Otherwise, he does not know the sentiment of the people. The state government cannot move an inch further," he said.
He said the results indicated a strong comeback for the UDF in Kerala.
Asked whether the Sabarimala gold loss issue had affected the LDF in the local polls, Venugopal said the CM and the CPI(M) state secretary did not take the issue seriously.
"We took a strong stand on the matter. The BJP played a foul game in it," he alleged.
On the BJP's role in the local body elections, Venugopal alleged that the party operated with the CPI(M) 's tacit support.
"The CPI(M) supported the central government on issues such as PM-SHRI, labour codes and corruption in national highway construction. The CPI(M) is facing ideological decline, and the state government’s policies are against the party’s own decisions," he said.
Meanwhile, LDF ally Kerala Congress (M) leader Jose K Mani said the party could not win all the wards it had expected in the elections.
He congratulated winners from all parties and said the party would closely examine the losses and identify shortcomings. "Later, we will take corrective measures," he added.
Senior Congress leader and MP Rajmohan Unnithan said the trends in the local body elections indicated that the UDF would return to power in the 2026 Assembly elections.
"We will win 111 seats as in 1977 and return to power in 2026. The anti-government sentiment of the people is reflected in the elections," he said.
Unnithan said the people were disturbed and unhappy with the present government.
"The trend indicates the end of the LDF government," he added.
CPI(M) MLA M M Mani said the people had shown ingratitude towards the LDF despite benefiting from welfare schemes.
"After receiving all welfare schemes and living comfortably, people voted against us due to some temporary sentiments. Is that not ingratitude," he asked.
Mani said no such welfare initiatives had taken place in Kerala earlier.
"People are receiving pensions and have enough to eat. Even after getting all this, they voted against us. This is what can be called ingratitude," he said.
Muslim League state president Panakkad Sayyid Sadiq Ali Shihab Thangal said the results were beyond expectations.
"The outcome points towards the Secretariat in Thiruvananthapuram, indicating that a change of government is imminent. We are going to win the Assembly election," he said.
