London Daily

Focus on the big picture.

iMessage Security BlastDoor

iMessage just got an amazing new feature you didn’t even notice

Apple quietly added a new iMessage security feature in iOS 14 called BlastDoor. BlastDoor is a new sandbox inside iMessage that receives and sanitizes all iMessage content before it’s shown to the user. The security feature will prevent attacks via iMessage that might include malicious code for spying on iPhones.

One of the most important apps on any phone, regardless of model or operating system, is the messaging app. The chances are most people use a collection of texting apps to keep in touch with friends and family. These apps have grown to be highly sophisticated over the years, offering a collection of advanced features to improve the chat experience.

Whether it’s iMessage on an iPhone, Google Messages on Android, or WhatsApp, Signal, Telegram, and many others on both platforms, these apps offer essentially the same features. Many protect chats with end-to-end encryption, and most of them support rich texting features, file-sharing, emojis, voice messaging, voice calling, and integration with many other apps.

But because texting is so popular on smartphones, it’s also a great gateway for hackers who come up with all sorts of malicious attacks that can spread via chat apps. And Apple has been quietly tackling that very problem, a new report shows. The company added an amazing new feature to iMessage in iOS 14 and iPadOS 14, the kind that we’ll never notice. It’s called BlasstDoor, an apt name for what the feature is supposed to do.

When Tony Stark asks his AI Friday to activate the “Armed Door” protocol in Endgame, a shield of armor envelops the Avengers headquarters. That’s because they’re about to attempt something never done before, which could lead to a huge wave of destruction. There’s no guarantee that the armor will actually hold back a potential blast, but Stark is trying it nonetheless. Marvel fans will surely remember the scene, while others won’t know what any of this means.

The gist with BlastDoor is similar. Everything coming in via iMessage goes through a secure location meant to contain threats that hackers might include in messages. Highly sophisticated information bombs can allow hackers to attack unsuspecting iPhone users, but BlastDoor will now stop all of that. The new security feature is amazing, and it’s something other operating systems and chat apps will undoubtedly copy. After all, hackers target all devices and programs, not just Apple’s.

As to why Apple never mentioned anything about BlastDoor during WWDC 2020 when the first final version of iOS 14 shipped, that’s understandable. This is Apple’s new move in an ongoing security battle with attackers. There’s no point showing your hand when it comes to BlastDoor. It’s not a feature that device owners will actively use or that iOS developers needed to be aware of.

It’s all supposed to work passively in the background, keeping everybody safe. If security experts like the people working over at Google Zero Lab discover it, that’s something else — and hackers could also find it once they realize their weaponized messages aren’t delivering the desired effect.

First picked up by ZDNet, the BlastDoor feature was indeed discovered by a Googler from Project Zero.

Last year, a report showed that hackers targeted journalists via iMessage code that enabled spying without the recipient having to do anything. But the issue was fixed in iOS 14, so Google researcher Samuel Groß set out to discover how Apple mitigated the problem. That’s how he found BlastDoor, a feature that works behind the scenes with iMessage content.

It’s a “sandbox” type of functionality, similar to other sandboxes in iOS. BlastDoor will unpack and process the content of all incoming messages in an isolated environment so that a malicious payload cannot attack the operating system. In other words, every attachment and all code coming through iMessage, whether it’s the actual text, links, or files, will be sanitized inside that closed environment.

If you still haven’t upgraded to iOS 14, BlastDoor is an excellent reason to do it, especially if you’re the kind of iPhone user who might be someone’s target.

“Overall, these changes are probably very close to the best that could’ve been done given the need for backwards compatibility, and they should have a significant impact on the security of iMessage and the platform as a whole,” the Googler wrote. “It’s great to see Apple putting aside the resources for these kinds of large refactorings to improve end users’ security.

Furthermore, these changes also highlight the value of offensive security work: not just single bugs were fixed, but instead structural improvements were made based on insights gained from exploit development work.”

Groß’s blog post detailing the new iMessage security feature is available at this link.

Newsletter

Related Articles

London Daily
0:00
0:00
Close
Unelected PM of the UK holds an emergency meeting because a candidate got voted in… which he says is a threat to democracy…
You Are So Beautiful
Rob Schneider explains California reparations legislation.
Postmodern Jukebox European Tour Version
Who knew badminton could get so intense?
An old French tune (by Georges Brassens) Pomplamoose ft. John Schroeder
Farmers break through police barriers in Brussels.
Sattahip Motor Show 20
London's Iconic British Telecom Tower Sold To Become Hotel
SONATE AU CLAIR DE LUNE - Moonlight sonata
Ukraine Arrests Father-Son Duo In Lockbit Cybercrime Bust
A kiss to build a dream on
US Offers $15 Million For Info On Leaders Of Cybercrime Group Lockbit
Wonderful Tonight - Eric Clapton (Boyce Avenue acoustic cover)
Russia Claims UK Cultural Agency Spied for Ukraine
Mean Blues
Apple warns against drying iPhones with rice
La Chansonnette
Alexei Navalny: UK sanctions Russian prison chiefs after activist's death
Pattaya Addicts
German economy is in 'troubled waters' - ministry
Franz Liszt - Liebestraum - Love Dream
In a recent High Court hearing, the U.S. argued that Julian Assange endangered lives by releasing classified information.
Dream a little dream of me
New video
Unchained Melody sung like you've NEVER heard!
Tucker Carlson says Boris Johnson wants "a million dollars, in Bitcoin or cash, from Tucker Carlson to talk about Ukraine.
Dave Brubeck - Take Five
Russia is rebuilding capacity to destabilize European countries, new UK report warns
Édith Piaf - Non, Je Ne Regrette Rien (Sofie)
EU Commission wants anti-drone defenses at Brussels HQ
Rondo Alla Turca
Von der Leyen’s 2nd-term pitch: More military might, less climate talk
Kiss of fire
Global Law Enforcement Dismantles Lockbit Ransomware Operation
Tom Jones - I´ll Never Fall In Love Again 1967, 1989, 2001
Prince William Urges End to Gaza Conflict
Israel Cachao López - Guajira Clásica
UK court to hear Assange's final appeal against extradition to the US, where he faces charges related to his journalistic work—the publication of a classified video in 2010 that exposed US war crimes against humanity.
Edward Maya - Stereo Love (feat. Vika Jigulina) (Extended Mix)
About 50-60% kids either chose to be YouTuber or influencer
Strauss - Radetzky March - Karajan
A viral video of Nationals MP Barnaby Joyce lying on a Canberra footpath is celebrated by his media mates.
La vie en rose
European Countries React to Navalny's Death by Summoning Russian Diplomats
The Temptations - My Girl (Smokey Robinson Tribute) 2006 Kennedy Cent
Israel has gone ‘beyond self-defence’ in Gaza, says Labour’s Streeting
Orlando Cachaito Lopez Redencion
English farmers to be offered ‘largest ever’ grant scheme amid food security concerns
Edith Piaf - NON, JE NE REGRETTE RIEN
Cameron government knew Post Office ditched Horizon IT investigation
RADETZKY MARCH-2008-Wien, New Year Concert
EU Calls for Immediate Ceasefire in Gaza Conflict
Only you (And you alone)
EU Vows To Hold Putin "Accountable" After Meeting Alexei Navalny's Wife
Strangers In The Night
EU Launches Probe Into TikTok Over Child Protection Under Digital Content Law
Charles Aznavour - La Boheme
The EU Initiates Naval Mission to Defend Red Sea Trade Routes
Summer time
EU and UK Announce Joint Effort on Migration
Sting and Stevie Wonder - Fragile (from Sting's 60th birthday concert)
Brazil's Lula Likens Gaza Operation to Holocaust, Israel Says "Red Line" Crossed
Aux Champs Elysees
Ministers Confirm Proposal to Prohibit Mobile Phone Usage in English Schools
Stand By Me - Ben E. King (Boyce Avenue acoustic cover)
Microsoft-backed OpenAI valued at $80bn after company completes deal
La Mer (Beyond the Sea) – Avalon Jazz Band
‘Alexei would want to tell Russia not to give up fighting’
She
Rwandan Footballer's Dismissal Sparks Concerns Over UK Asylum Plan
Nathalie Song by Enzo Petrachi Stjepan Hauser Cello
Whisky Challenges China's Baijiu Market During New Year Celebrations
Shape of My Heart - Sting (Boyce Avenue acoustic cover)
Avdiivka - Symbol Of Ukrainian Resistance Now In Control Of Russian Troops
Radiohead - Creep
Putin Critic Alexei Navalny's "Killers" Refusing To Hand Over Body, Say Allies
Quizás,Quizás,Quizás - Andrea Bocelli - Jennifer Lopez
"Historic Step": Zelensky Signs Security Pact With Germany
Perhaps, Perhaps, Perhaps - Multi-Couples
"Historic Step": Zelensky Signs Security Pact With Germany
Pentatonix Havana
20 Tech Giants Sign Effort To Fight AI Election Interference Across Globe
Paula Cole - Autumn Leaves
Joe Biden Accuses Putin of Causing Navalny's Death
Oscar Benton Bensonhurst Blues
Russian opposition leader Alexey Navalny has died at the Arctic prison colony
OH NANANA vs ABUSADAMENTE
Tucker Carlson grocery shopping in Russia. This is so interesting.
Nina Simone - ”I Put A Spell On You”. Vezi aici cum cântă Jeremy Ragsd
Julian Assange's Wife Warns of His Death if Extradited to US
NIGHTWISH - The Phantom Of The Opera
‘A lot higher than we expected’: Russian arms production worries Europe’s war planners
Motorshow 2016 Tanjay Negros Oriental
Greece Legalizes Same-Sex Marriage and Adoption Rights
Monica Bellucci - Ti Amo
Hungarian Foreign Minister: Europeans will lose Europe, the Union's policy must change drastically
Michael Jackson - Billie Jean Milena The Voice France 2018
In Britain Homeowners are receiving CPO’s (Compulsory Purchase Orders) so their homes can be redistributed to migrants
Michael Buble (Help Me Make It Through The Night) feat Loren Allred
Memories Canon In D - Maroon 5 (Boyce Avenue piano acoustic cover)
Matteo Simoni - Marina
Maroon 5 - One More Night
Maroon 5 - Memories
Mark Knopfler - Brothers In Arms (Berlin 2007 Live)
Mark Knopfler & Emmylou Harris - Romeo And Juliet (Real Live Roadrunni
Marina, Marina - The LUCKY DUCKIES intimist live concert at Guimarães
Major Lazer & DJ Snake – Lean On Mauranne The Voice France 2016
Love Theme from Romeo and Juliet - Joslin - Henri Mancini, Nino Rota
LoLa & Hauser - Love Story
Linkin Park Jay-Z - Numb Encore (Live 8 2005)
Hallelujah Mennel Ibtissem, The Voice France Leonard Cohen
Leonard Cohen - Dance Me to the End of Love
Leonard Cohen & Natasha Rostova - Dance me to the end of love
La casa de papel - Bella Ciao
La Camisa Negra
L'italiano (Toto Cutugno) - The Gypsy Queens
Juanes - La Camisa Negra
Jonathan and Charlotte - Britain's Got Talent 2012 Live Semi Final - U
John Powell - Assassin's Tango
Joe Cocker - You Can Leave Your Hat On (LIVE in Dortmund)
Joe Cocker - Unchain My Heart 2002 Live
Joe Cocker - A Whiter Shade Of Pale
Jay Z & Alicia Keys - Empire State of Mind LIVE
Jason Mraz - Im Yours (live)
Jarrod Radnich - Bohemian Rhapsody - Virtuosic Piano Solo
James Blunt - You're Beautiful
James Blunt - You're Beautiful & Bonfire Heart (Live at The Nobel Peac)
If You Go Away - Helen Merrill & Stan Getz (Tribute to Virna Lisi)
I'LL BE MISSING YOU
I Say a Little Prayer
Hotel California ( Eagles ) 1994 Live
Historia de un amor - Luz Casal. Vezi interpretarea Biancăi Sumanariu
Here Comes The Sun - The Beatles (Boyce Avenue acoustic cover) on Spot
Heart - Stairway to Heaven Led Zeppelin - Kennedy Center Honors
HAVANA by Camila Cabello Zumba Pre Cooldown TML Crew Kramer Pastra
HAUSER and Señorita - I Will Always Love You
HAUSER - Waka Waka
HAUSER - Sway
HAUSER - Lambada
HAUSER - Historia de un Amor
HAUSER - Despacito
Great Pretender
Georgia May Foote & Giovanni Pernice Samba to 'Volare' - Strictly Come
Gary Moore - Still Got The Blues
GIPSY KINGS VOLARE Penelope Cruz
Fugees - Killing Me Softly With His Song
French Latino - Historia de un Amor
For A Few Dollars More The Danish National Symphony Orchestra (Live)
Flashdance • What a Feeling • Irene Cara
Filip Rudan - “Someone You Loved” Audicija 4 The Voice Hrvatska Sez
Eric Clapton - Wonderful Tonight
Enya - Only Time
Enrique Iglesias - Bailando (English Version) ft. Sean Paul
Enrique Iglesias - Bailamos
Elena Yerevan Historia de un amor
Ed Sheeran - Shape of You (Official Music Video)
Ed Sheeran - Perfect Symphony [with Andrea Bocelli]
Ed Sheeran - Perfect (Official Music Video)
Easy On Me - Adele (Boyce Avenue 90’s style piano acoustic cover) on S
ERA - Ameno
ELENA YEREVAN- Cancion Del Mariachi-IN STUDIO-2017 DPR
Dust In The Wind - Kansas (Boyce Avenue acoustic cover)
Don't Let Me Be Misunderstood
Despacito x Shape Of You - Pentatonix
Deep Purple - Child In Time - Live (1970)
David Foster When A Man Loves A WomanIt's A Mans World (SealMichael Bo
Dance me to the end of Love ( Pi-Air Design )
Coolio - Gangsta's Paradise (feat. L.V.) [Official Music Video]
Conquest Of Paradise (Vangelis), played on Böhm Emporio organ
Cielito Lindo
Chico & The Gypsies - Bamboleo
Canción Del Mariachi - Antonio Banderas, Los Lobos • Desperado
Camila Cabello - Havana (Audio) ft. Young Thug
Camila Cabello - Havana ( cover by J.Fla )
California Dreamin' - The Mamas & The Papas José Feliciano (Boyce Ave
Buster Benton - Money Is The Name of The Game
Hallelujah Pentatonix
Bobby McFerrin - Don't Worry Be Happy (Official Music Video)
Bob Dylan - Knockin' On Heaven's Door Emilia The Voice Kids France
Besame Mucho - Cesaria Evora
Ben E. King - Stand by Me Sax Cover Alexandra Ilieva Thomann
Bella Ciao
Bella Ciao - INSTRUMENTAL
Beautiful in White x Canon in D (Piano Cover by Riyandi Kusuma)
Bad Romance - Vintage 1920's Gatsby Style Lady Gaga Cover ft. Ariana Savalas & Sarah Reich(1)
BELLA CIAO 2020 - KARAOKE ITALIANO
BAMBOLEO - Gipsy Kings • Antonio Banderas, Katya Virshilas
BAILANDO (original)
Awesome Ukrainian yodeler - SOFIA SHKIDCHENKO (with English subtitles)
Avicii - The Nights
Atom - The Great Gig in the Sky
Aretha Franklin - (You Make Me Feel Like) A Natural Woman (Official Ly
Antonio Banderas - Cancion del Mariachi (Desperado)
André Rieu - Zorba's Dance (Sirtaki)
André Rieu - Can't Help Falling In Love
André Rieu & Mirusia - Ave Maria
Andrew Reyes Elton John - Don't Let The Sun Go Down The Voice 2020 (
Andreas Kümmert Whiter Shade Of Pale The Voice of Germany 2013 Showd
And I Love You So
All About That Bass - Postmodern Jukebox European Tour Version
Alan Walker - Faded (Piano Cover)
Ain't No Sunshine -- Bill Withers (cover by Canen 12 y.o.)
African music
Adriana Vidović - “Creep” Audicija 4 The Voice Hrvatska Sezona 3
Adriana Vidović - “Believer” Nokaut 3 The Voice Hrvatska Sezona 3
A Fistful of Dollars - The Danish National Symphony Orchestra and Tuva
4 Beautiful Soundtracks Relaxing Piano [10min]
2CELLOS - Whole Lotta Love vs. Beethoven 5th Symphony [OFFICIAL VIDEO]
2CELLOS - Smooth Criminal (Live at Suntory Hall, Tokyo)
2CELLOS - Smells Like Teen Spirit [Live at Sydney Opera House]
2CELLOS - Despacito [OFFICIAL VIDEO]
13 Year Old Girl Playing Il Silenzio (The Silence) - André Rieu
094.All About That Bass
00 - SADNESS PART 1
(Ghost) Riders In the Sky (American Outlaws Live at Nassau Coliseum, 1
(Everything I Do) I Do It For You - Bryan Adams (Boyce Avenue ft. Conn
What a wonderful world
Moon river
×