My wireless network appears to have been compromised

Here's an interesting message dialog that I just got on my new laptop:

The full text states "The wireless network appears to have been compromised and will be disabled for about a minute."

This happened when I had connected to my MacBook Pro from a wired Mac Mini and was transferring some files between them. The MacBook Pro was also downloading a file inside Parallels at the same time. The local network is on a TrendNET router using WPA-PSK as the wireless security option.

I'm pretty sure this is a false alarm. Googling the message returns a few other people who have seen it, and one of them mentions a TrendNET router is involved.

Posted by dustin on November 3, 2006 with category tags of

21 comments
Happened to me too - usually when transferring large files through a wireless network.
   comment by Lucas on December 13, 2006

Yeah, I've had this thing happen a few more times since I posted this. It's somewhat annoying.
   comment by dustin (#1) on December 13, 2006

This has happened to me too. I'm surprised I don't find more information about it. Worst is that this time, the network won't come back. Looks like Mac OS X wireless driver has failed. I was making heavy use of the link, receiving a big file and sending it to an NFS mounted drive.

Mac OS X has not been good to me the last few days. Many crashes, hangs. I don't think the system is corrupted, I think I'm doing things that are apparently out of the mainstream. Not looking very impressive in the stability department.

I am NOT using a Trendnet router, I'm using a DLink.
   comment by David M on January 26, 2007

I have a Dlink router and it keeps happening to me. Especially when I'm uploading a lot.
   comment by Grant on January 28, 2007

I continue to get this error every once in awhile. Here are some more forum posts about the issue:

http://forums.macosxhints.com/showthread.php?t=26414
http://forums.macosxhints.com/showthread.php?t=52086
http://forums.macrumors.com/showthread.php?t=255659
   comment by dustin (#1) on January 29, 2007

I've been getting this message a lot all of a sudden. I get it about 3 or 4 times and I have to turn airport off and on again to be able to re-connect.

I'm going to change my router password just to be sure.

I'm running a Linksys WEP54G router with default firmware (replacing one with a dd-wrt firmware flash).
   comment by spike on August 2, 2007

erm wrt54g router... with WPA encryption.
   comment by spike on August 2, 2007

This problem is still happening on Apple's new Mac OS X 10.5 Leopard, unfortunately.

   comment by dustin (#1) on November 15, 2007

I get the problem every time I wake my macbook up from sleep. To work around I cannot let the macbook go to sleep while connected to the wifi. I shut off airport, then close the lid.
Annoying, but better than the restart that it normally requires.
Does anyone know the service that controls airport? I suspect that a kill of the service would trigger launchd to respawn and may fix the issue without a restart. Two post Leopard updates have addressed ominous wireless issues now with no success in addressing this.
   comment by Jason on November 17, 2007

I don't need to restart my mac to get wireless back, just wait a minute and re-select the network in the menu.
   comment by dustin (#1) on November 19, 2007

Hope this might help... I just installed a WRT600N, dual band wireless... and was having this issue (never did this with my 'old' WRT300N)... I could copy a 2gb file from my NAS to my iMac and it would raise this error EVERY time. I ended up setting my WPA2 to use AES instead of TKIP and it SOLVED the problem... I have copied the test file over 10 times now and it is perfect! I'm getting 270 Mbit/s solid to my AP and that 2gb file copied over in 4 minutes flat!

Hope this might help with others having this problem. Am running 10.5.1.
   comment by Kevin on December 17, 2007

I to have been getting the message. "The wireless network appears to have been compromised and will be disabled for about a minute" I do have my sister who is in the other room also running on the same router. It's a Netgear dual wireless router. Any suggestions on how to make this stop?
   comment by Matthew Cullen on August 4, 2008

I was having this problem while using a macbook pro connected to a Linksys WRT54Gv8 with DD-WRT installed. It would show up most often while using Skype. Switching from TKIP to AES solved the problem immediately!

Thanks for the help.

Good luck!
   comment by Tim on August 25, 2008

I got this error when I installed a Linksys WRT610n.
Had to specify "open system" in Authentication type instead of "auto". The problem is gone now.
   comment by Maurice on September 5, 2008

This is enough to make me go back to PC. I made the switch and got this Mac Book Pro and I constantly get this message. I have looked at tons of people having this problem and there has been no fix. I am using a Netgear WRT600N (it still happens with my linksys router too) and have used TKIP and AES, as well as a combination of both. I have plenty of other wireless devices in my home all of which have no problem. Maybe there will eventually be a fix for this...
   comment by Clint on September 11, 2008

I'm using a Linksys WRT610N dual n wireless router, and I've received the same message on my 2.16 ghz macbook and my 2.4 ghz aluminum imac. I haven't been able to nail down any specific circumstances that cause it. I know it's not a problem with the network, it's wpa2 encrypited with mac address filtering. Any ideas
   comment by Hessmo on November 7, 2008

I have the answer. Go to the Linksys website, 192.168.1.1; Sign In; click the 'Wireless' tab; click Wireless Security; in Encryption 'field' change from "WPA-TKIP or WPA2-AES" to 'AES'. Done, GTG, happy webbing.
   comment by Rorary Prisock on November 15, 2008

Switching from WPA-TKIP or WPA2-AES" to 'AES' should fix the problem I tried it and it worked immediately as Kevin as well as others have stated. Thanks to for the info about the change in encryption.
   comment by Dragoon Empire on June 22, 2009

I have 3 Imacs and 1 Macbook Pro wireless throughout my home/office. This message started to appear after I installed a Netgear Range Max Dual Band router. Sometimes I have to clik "ok" on the annoying little window 5 or six times! before it goes away. I almost feel like I'm back in the PC world. Anyone use the router I just installed?
   comment by Jay on August 6, 2009

Jay, I have the Netgear Range Max Dual Band router and am having the same issue.
   comment by Wes on August 12, 2009

http://kb.netgear.com/app/answers/detail/a_id/7734/session/L2F2LzEvc2lkL1pzeHBpbExq

i'm going to try this since i noticed it starting to happen when i installed the new router
   comment by nessa on October 25, 2009

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