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How safe is Ubuntu? - Page 2

post #11 of 97
It's good to be concerned, but it is unlikely. Yes, the correlation is there but you cannot prove the cause. Also it is unlikely that someone can get a trogran into your system because you install your software from the package manager, and not 3rd party websites like in Windows.

I recently had my Facebook account hacked, but that was before I realized that there was an optional "Encrypt with SSL" option, so now it is highly unlikely that anyone is going to hack it. If you ever get the message, "Cannot verify certificate, you may or may not be encrypted", that means don't access your email because people can intercept your packets and steal your password from them. My facebook pass would have been uncrackable (over 26 characters, with symbols, uppercase and lowercase), but someone still got in anyway because of this vunerability.

As far as I am concerned, there aren't very many known Trojan's and Canonical wouldn't surely allow them to get on their system. Also all the other things that other users said above could possibly be true as well.
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post #12 of 97
School network safe? It's full of hundreds of teenagers, many of whom are are bent on mayhem and have sufficient Google skills to figure out how to do it. And of course Windows makes it trivial to compromise people in so many different ways.

Take home: Don't use anything you care about from a wide open network like the one at your school.
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post #13 of 97
Its probably not a OS related hack. It was probably phishing or a weak password.

Ubuntu, and linux in general does not have much of a problem with viruses at the moment. While you can get on if you type in your password and allow it to run on your system so that it can infect things, there is little motivation for malicious people to do so. This is for a number of reasons.
First, not many people use linux, if you want to cause a lot of damage you would go with another OS.
Second, the people that use linux tend to be a bit smarter and are less likely to run random code.
Third, most distros use repositories for almost all installations, reducing the chance that you are going to run a piece of malicious code.
Finally, exploits found in linux or most of its program will get patched almost immediately sense it is open source.

It wouldn't make much sense to develop malicious software that hardly infected anyone and was removed/fixed days after you released it, but it is possible. I made virus and performed other exploits on a linux system for a school project, but is was kept in a lab.
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post #14 of 97
Quote:
Originally Posted by Klue22 View Post
Ubuntu has a very small percent of the market share. Technically speaking it isn't really much safer than windows, but its so obscure that no smart hacker is going to try to exploit it. Ask yourself, 'if you were a hacker, would you make a trojan for 10,000 PCs, or 30 million? I would guess that somebody just blindly guessed your password or your recovery questions.
Quote:
Originally Posted by Xazen View Post
Its probably not a OS related hack. It was probably phishing or a weak password.

Ubuntu, and linux in general does not have much of a problem with viruses at the moment. While you can get on if you type in your password and allow it to run on your system so that it can infect things, there is little motivation for malicious people to do so. This is for a number of reasons.
First, not many people use linux, if you want to cause a lot of damage you would go with another OS.
Second, the people that use linux tend to be a bit smarter and are less likely to run random code.
Third, most distros use repositories for almost all installations, reducing the chance that you are going to run a piece of malicious code.
Finally, exploits found in linux or most of its program will get patched almost immediately sense it is open source.

It wouldn't make much sense to develop malicious software that hardly infected anyone and was removed/fixed days after you released it, but it is possible. I made virus and performed other exploits on a linux system for a school project, but is was kept in a lab.
^^^ anyone else find the windows guys absolutely hilarious when they try to guess why linux is more secure?

and its like 90% chance that the problem happened on a school network... school networks are large windows networks with many malicious users and usually arent watched as tightly as they should be... if it DID happen in linux, it wouldnt have been a linux specific problem, it would have been contained to your browser and therefor have happened in windows or mac... but the chances that even that happened are slim to none

things to keep in mind with linux security:

if you install something manually, make sure its from a good source just like you would with windows...

dont run everything as root, as there is no need to use the root account in 99% of situations

know what commands you are putting in (ie dont just copy and paste everything google tells you to)

take regular password precautions

keep your system up to date with updates issued by your distro maintainer

and dont add third party repositories to your sources.list for your package manager without making sure they are responsibly maintained and totally legit
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post #15 of 97
Quote:
Originally Posted by transhour View Post
you honestly don't know what you are talking about do you? just thought you come in here and throw some propaganda around? actually since you didn't bother to actually do the research why linux is much more secure than windows and mac osx, i'm not gonna waste my time trying to explain it to you.
Now, now. He is technically partially right, he just missed a few other key parts of the picture. No need to get angry because someone is less knowledgeable than you are, perhaps enlighten the poor guy on where he went wrong, show the Linux love.

You know you want to

~Devoid~
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post #16 of 97
Quote:
Originally Posted by Klue22 View Post
Ubuntu has a very small percent of the market share. Technically speaking it isn't really much safer than windows, but its so obscure that no smart hacker is going to try to exploit it. Ask yourself, 'if you were a hacker, would you make a trojan for 10,000 PCs, or 30 million? I would guess that somebody just blindly guessed your password or your recovery questions.
http://www.theregister.co.uk/2004/10...dows_vs_linux/

In particular:

Quote:
Perhaps the most oft-repeated myth regarding Windows vs. Linux security is the claim that Windows has more incidents of viruses, worms, Trojans and other problems because malicious hackers tend to confine their activities to breaking into the software with the largest installed base. This reasoning is applied to defend Windows and Windows applications. Windows dominates the desktop; therefore Windows and Windows applications are the focus of the most attacks, which is why you don’t see viruses, worms and Trojans for Linux. While this may be true, at least in part, the intentional implication is not necessarily true: That Linux and Linux applications are no more secure than Windows and Windows applications, but Linux is simply too trifling a target to bother attacking.

This reasoning backfires when one considers that Apache is by far the most popular web server software on the Internet. According to the September 2004 Netcraft web site survey, [1] 68% of web sites run the Apache web server. Only 21% of web sites run Microsoft IIS. If security problems boil down to the simple fact that malicious hackers target the largest installed base, it follows that we should see more worms, viruses, and other malware targeting Apache and the underlying operating systems for Apache than for Windows and IIS. Furthermore, we should see more successful attacks against Apache than against IIS, since the implication of the myth is that the problem is one of numbers, not vulnerabilities.

Yet this is precisely the opposite of what we find, historically. IIS has long been the primary target for worms and other attacks, and these attacks have been largely successful. The Code Red worm that exploited a buffer overrun in an IIS service to gain control of the web servers infected some 300,000 servers, and the number of infections only stopped because the worm was deliberately written to stop spreading. Code Red.A had an even faster rate of infection, although it too self-terminated after three weeks. Another worm, IISWorm, had a limited impact only because the worm was badly written, not because IIS successfully protected itself.
The article is dated for sure, but the general ideas still apply.
post #17 of 97
How safe is Ubuntu?
100%
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post #18 of 97
Quote:
Originally Posted by 3dfxvoodoo View Post
How safe is Ubuntu?
100%
No amount of software engineering can fix stupid.

Just sayin'
post #19 of 97
Quote:
Originally Posted by Devoid View Post
Now, now. He is technically partially right, he just missed a few other key parts of the picture. No need to get angry because someone is less knowledgeable than you are, perhaps enlighten the poor guy on where he went wrong, show the Linux love.

You know you want to

~Devoid~
you know i've fought this battle long enough, i've seen all this drivel before, and most likely will see it again. it is just an "argument" to shift the blame from MS to the realm of "unbelievable". the poster was taking in only a single reason as to why, he also assumes that linux/alternate OS's are just as vulnerable in every aspect as windows, but he failed to ask or even search for the reason why.

his main argument would be incrediblely hard to disprove don't you think? One of the linux distro's would have to gain a significant desktop market share, is that going to happen anytime soon? i don't know, wish i knew cause if i did, i would invest in that company

so as long as his "argument" rest in the realm of "unbelievable", yeah i guess it is a valid argument, but to anyone who understands the architecture of both OS's will know how inaccurate it is, and how ignorant it sounds.

i don't know about the rest of you, but linux is given what, a 1% to 3% desktop share, and between 30% to 60% server market share. if i was a real "script kiddie", i would know that most of these guys have no form of "protection" outside of what their OS provides them (i.e. no virus scanner, no malware scanner) and they probably wouldn't be paranoid like most are,so that to me would seem like a seriously untapped market i could exploit if the posters argument was true.
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post #20 of 97
Viruses for Linux (Ubuntu included) are VERY rare. They are out there but number maybe in the hundreds or maybe a couple thousand at best. Compare that to Windows which has close to around several hundred thousand if not a million viruses for it.

To come across a virus for Ubuntu or linux for that matter you would really have to work at it. And even then they cannot execute themselves automatically for the most part unless they get into startup. You basically have to run the things yourself to get them into your system or have someone else plant them there. In a corporate environment though, the IT department and the companies who set them up work very hard to make sure linux systems are hardened and firewalls are put into place.

They do make antiviruses for linux BTW.
Edited by Lord Xeb - 4/19/11 at 11:50pm
 
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