ITS FUCKING OVER. FREAK THE FUCK OUT if you've EVER visited the website just once ALL YOUR DATA is out there!!!!!
Just kidding. This will not affect you in the slightest. here is some information on the attack
I should start this by saying that much as anything related to 4chan, everyone involved genuenly has no life and it is quite upseting to see. tw: transphobia, su1cidie
UPDATE!!: as of 26/04/2025 at ~1 a.m. GMT 4chan is back up and running. Nothing ever happens.
WHO DID IT AND WHY 
The group claiming resposibility for the attacks are Soyjack[.]party a.k.a. the sharty users. This is a "rival" imageboard to 4chan centered around creating, posting and sharing soyjaks. if you've been on the internet these past 4 years, you've likely seen countless soyjaks that originate on this board.
The board itself originates in September 2020 when 4chan's /qa/ (Questions and Answers) board was deleted following a raid on the /lgbt/ board, during which at least one transgender user was allegedly pressured into commiting suicide. Many of the users of /qa/ then migrated to sharty and since then there's been a bitter (one-sided) rivalry between the two sites. I cannot stress this enough, do not visit soyjak[.]party, they are quite literally 4chan rejects, site contains a dedicated /incel/ board aswell as a /pol/ imitation board, and the site genarally has even less moderation than 4chan.
WHAT HAPPENED 
On the 14th of April the attackers abused vulnerabilities in 4chan's admin's total neglet for security and the website running an extremely out of date version of PHP. But I'm not really here to talk about these sort of technical details, for that read this thread by _yushe on twitter. Once the hackers gained total control of the website they pretty much could do whatever they wanted. And they did:
/QA/ RETURNS
Of course, one of the first things the attackers did was bringing back their oh so precious /qa/ board. This was more of a "fuck you" rather than an actual attempt at getting the board back up on the site.
SOURCE CODE & /J/ BOARD LEAKS
On Kiwifarms user Coberald posted a copy of the leaked 4chan source code.

Following said post, another user named Tofflenheim shared an archive of /j/, this being a private board where 4chan jannies (unpaid moderators) would reside. This was posted along with the IP address of every moderator, and eventually their email addresses and personal details would be leaked aswell.

CLARIFICATION: It is unconfirmed if any jannies had .gov email addresses, however at least 2 had registered a .edu email address.
Private moderator chats were also leaked, but the validity of these screenshots is weak.
With the /j/ board leak and the ridiculousness of using a .edu email to mod on fucking 4chan, jannitors were being made fun of more than ever.

WARNING: Be cautius when visiting Kiwifarms, as it is a forum solely dedicated to the online harassment of others.
IP LEAKS
With the source code leaks it has been revealed that 4chan pretty aggresively fingerprints everything done on the site, meaning it was never as anonymous as once thought. This and the .edu mod email addresses have fueled the already existing theory that the entire site had become (or was from the beginning) either a fed honeypot or being actively used by governments to radicalize users.
CLARIFICATION: Also adding fuel to the fire, a screenshot claiming that the majority of posts on the notoriusly antisemetic /pol/ board actually came from Israel. This is completely false and just an attempt to create more antisemetic conspiracy theories.
The hackers have come out and stated that they have no interest in leaking user data.
IT'S THE END
Following all this, 4chan servers have been taken down.
Slowly but surely. Less traffic. More errors.
Chaos. Cope.

And finally, the last ever post on 4chan.

Comments
Displaying 20 of 32 comments ( View all | Add Comment )
The Jober
The hackers are dangaronpa fans LMAO
I came back to see what 4chan thinks of deltarune and they're all crying because the game and fanbase are gay this is so pathetic
HAZEL ★ [autoplay]
genuinely crazy,,, was so curious about what happened so thank you for this :D
EricCartmanReal
himiko yumeno mentioned
jvtex
eat your burger
lmfao
by SUKO555; ; Report
*.*viixlss.*.*
damn I knew 4chan was a site where memes and others sorts of internet culture originated but I didn't know it was THIS bad ?? this is why I won't be on those type of sites -_-
‡★tauwoo★‡
tysm for the information, your blog is so cool!!!! <33
y0ulee
DONT FUCKING SCARE ME LIKE THAT BRUHHHH
sobo
that was crazy
x0000
ty f0r the breakd0wn and deta1ls
d1dn't kn0w much ab0ut the event at 1st , 0nly that the s1te g0t hacked
( th1s made me check what's up w1th 4chan aga1n and as 1 saw 1t's back up )
Johnstonboii
4chan's back, can we go more in-depth how 4chan is being used to radicalize people?
Zephyr
At least they're not desperate enough to leak actual information of the users.
emiliano
probably most of the people who published horrible things there have fled to X
WRMIPIE
Tbh, both websites are buns (pls don't doxx me)
ge3katr0n_
The fall of a dark Twisted Empire..
forwardObserver
2 weeks and it's back, always bet on nothing
forwardObserver
back after 2 weeks, always bet on nothing
STÜPÜ
what a way to enter mid 2025
Idkism
On one hand, who cares right? 4Chan died a long time ago
But on the other hand, they're either gonna flock to other sites tumble exodus style, or make their own other OTHER board that isn't the sharty
T R I S T A N
Thank God that place got taken down, unfortunately, that means they’re gonna scatter everywhere else and ruin things
We better pray to whatever god is up there that they don't spread HERE
by VAMPIRE_FREAK; ; Report
I could not have said it better VAMPIRE underscore FREAK !!!
by T R I S T A N; ; Report
I'm also scared that they will get here
by .𖥔 ݁ ˖๋ ࣭ ⭑Clari (°□°); ; Report
MELL
this site is disgusting wtf i hate 4chan
IKR?????
by basicallylilaccc; ; Report