the sites are back Facebook, Instagram and WhatsApp Internet access Monday night, after an outage of nearly six hours, prevented the company’s 3.5 billion users from accessing its social media and messaging services.
While Facebook apologized to millions of people around the world, it did not immediately explain the cause of the malfunction, which Downdetector, which tracks internet outages, described as the biggest problem Facebook has ever faced. .
What is the reason for this imbalance which has shaken the world for hours, and once again proved the importance of communication sites, and the danger of being confined to one company too ?!
While Facebook chief technology officer Mike Schroepfer declined to release details of what happened, or reveal the reason that disrupted the giant communications company, claiming only that “the return of services to 100% may take a while “.
However, a number of Facebook employees, who requested anonymity, made it clear in statements to Reuters that they believed the malfunction was the result of an internal error.
In turn, security experts suggested that the malfunction was the result of an unintentional error or act of sabotage by an insider.
Developed to explain what happened or the reason for the malfunction, Doug Madhuri, director of internet analytics at network monitoring company Kintech, said Facebook apparently changed the routing information for the network on Monday morning, affecting the DNS servers of the company’s domain. which acts as a sort of Internet search system, linking domain names such as “Facebook.com” to digital Internet Protocol addresses, used by browsers and web servers.
Eliminate cyber attacks
He also added, according to what was reported by the “Wall Street Journal”, that this change made the DNS servers on Facebook unavailable, and therefore offline.
For its part, Facebook has ruled out that the malfunction was caused by cyber attacks, according to what the New York Times reported earlier.
Second shot in hours
It should be noted that this noisy interruption, which occurred in the last few hours, was the second heavy blow that Facebook suffered in two days, after facing Sunday accusations of promoting profit Repeatedly suppress hate speech and disinformation.
while Facebook stock fell 4.9%, its biggest daily loss since last November, amid a wider sell-off in tech stocks on Monday as the world flocked to rival apps like Twitter and TikTok. The stock rose about half a percentage point post-close following the resumption of services.
It’s worth noting that Facebook, which is the world’s second-largest digital advertising platform, loses around $ 545,000 in advertising revenue in the United States every hour of downtime, according to estimates by ad measurement firm Standard. Media Index.