21/12/2015: Hacking group Phantom Squad has itself been hacked, after attempting to take credit for various attacks.
In an unsurprising turn of events, it appears that the group was not, in fact, responsible for the vast swathes of outages that it claimed to be behind.
The real perpetrators of these attacks are apparently not happy and have hacked Phantom Squad's website in retaliation.
The site was breached by Obstructable and the SkidNP collective, who say that Phantom Squad "took credit for multiple attacks that [neither] you nor any of your members did".
They also advised the group to "quit while you have the chance", and that if they continue to claim false responsibility for further attacks, "it will be the last thing you do".
The post appears to indicate not only that Phantom Squad has been stealing credit for other people's hacks, but also that there will be another attack against Xbox and PlayStation's servers.
Obstructable's message explicitly warns Phantom Squad not to claim responsibility for the Christmas outage, which could indicate that one or more groups are planning an attack on the services.
18/12/2015: Hackers have claimed responsibility for the recent Xbox Live outage, which knocked the service's store and multiplayer functions offline for several hours.
This time, the claims are being made by the so-called Phantom Squad', an apparently recently-formed group.
The outage mirrors a similar attack last year, which was attributed to a collective known as Lizard Squad.
Both Xbox Live and the PlayStation Network had received warnings from Phantom Squad that their services will be taken offline over the Christmas period.
The group claims that it is attempting to expose flaws in the security of both PSN and Xbox Live, calling themselves "grey hat hackers" and urging the companies to fix their security.
However, while Phantom Squad has been largely accepted as being the perpetrators of this attack, little attention seems to have been paid to the group's credibility.
Indeed, there is evidence to suggest that Phantom Squad may not be behind the supposed hack' at all.
The group promised to disrupt the service over Christmas, but has instead supposedly opted to jump the gun by around a week, claiming that "this is what happens when you don't believe us".
However, with no evidence prior to the outage to indicate that Phantom Squad was planning an early attack, this looks a lot like a convenient coincidence.
This would not be out of character, as this new kid on the block has been loudly claiming responsibility for virtually every major outage of the holiday period so far.
According to the group's now suspended Twitter feed, it has been responsible for taking down servers for Call of Duty Black Ops 3, Xbox Live, PSN, Steam, Reddit and others.
While comparisons have been made to Lizard Squad, Phantom Squad seems to have something of a rivalry going with them.
It repeatedly stated on Twitter that it is "not associated with Lizard Squad", and even ran a poll asking who it should target next; Lizard Squad or ISIS.
It also tweeted that "there are only 5 of us", and claimed that it "tried to take down the entire internet" likely in reference to the DDoS attack on the internet's root servers earlier this month.
Phantom Squad's motivations also seem to be a lot less noble than it has latterly made itself out to be.
The group highlighted retweets from PC gaming fans celebrating an attack on so-called "console peasants", and asked if consumers will "waste your money on a console".
Phantom Squad has held repeated polls asking followers to choose its next target. It also asks them to retweet its warnings and use specific hashtags to drum up attention.
All of this indicates that Phantom Squad may not actually be an elite group of grey hat' hackers.
Instead, its actions have the ring of attention-hungry internet trolls, attempting to latch onto any notable outage in an effort to prove its potency.
Time may yet prove them to be a credible danger, similar to Anonymous or Lizard Squad. For now, though, Phantom Squad remains just that a ghost, with no power or substance.
This article was originally published on 18/12/2015 and has since been updated to reflect new information.
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Adam Shepherd has been a technology journalist since 2015, covering everything from cloud storage and security, to smartphones and servers. Over the course of his career, he’s seen the spread of 5G, the growing ubiquity of wireless devices, and the start of the connected revolution. He’s also been to more trade shows and technology conferences than he cares to count.
Adam is an avid follower of the latest hardware innovations, and he is never happier than when tinkering with complex network configurations, or exploring a new Linux distro. He was also previously a co-host on the ITPro Podcast, where he was often found ranting about his love of strange gadgets, his disdain for Windows Mobile, and everything in between.
You can find Adam tweeting about enterprise technology (or more often bad jokes) @AdamShepherUK.