Comments for Can hackers see data going to and from my computer?

Comment from Kristell on 2008-10-19

2008-10-20T02:53:07Z

Can a hacker steal any files from my computer?

Depends entirely on how secure you are. If you've done nothing for security then the answer is absolutely yes. See this article: Internet Safety: How do I keep my computer safe on the internet?

- Leo
20-Oct-2008

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Comment from Miracles on 2008-10-18

2008-10-18T22:02:32Z

I would like to know if there is anyway to check my laptop to know if has a worm or something inside that allows somebody else outside there to receive all the moves I do in my laptop.
There is a very small window that appears and dissapears at the bottom of my machine, where the bar of programs is and shows the applications that are open. This small window that shows and then disappear began to appear like 6 months ago and I am thinking that somebody installed, through an email I received, some kind of application that hacks my emails and also my internet moves.
Is it possible that Norton Antivirus can capture that worm?
Thank you.

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Comment from swan on 2008-10-13

2008-10-13T12:41:58Z

can some one hack in2 someones else computer throgh a virus ?

Yes,

- Leo
13-Oct-2008

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Comment from John Cooper on 2008-09-23

2008-09-23T20:27:06Z

Me and my roommate are sharing the wireless internet connection(secured WPA- personal).Can my room mate see what I am doing on the internet like I use Skype to talk to my girlfrn,so can he see what we are talking about and can he see the skype video too.If he can,how can I secure it from my roommate.

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Comment from Alice on 2008-09-10

2008-09-11T00:12:02Z

Does a police officer or police dept. have access to hack into someone's computer?

Depends on where you live, but in short: yes, if they have evidence that a crime has been committed, and they get an order from the court.

-Leo

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Comment from Alice on 2008-09-10

2008-09-10T23:22:15Z

Can someone hack into my computer and put a screensaver on my computer?

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Comment from Antonio Liriano on 2008-08-27

2008-08-27T23:32:45Z

Hi Leo,
I recieved an e-mail where I was selling something on online (Craiglist). By stupid of my part (sorry for the word)I gave the person my address and name. After I did that I noticed that it was an Scam. What the person can do with my name and address?
thank you for your advise.
Tony

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Comment from Leo on 2008-07-09

2008-07-09T20:38:11Z

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Absolutely. If your (real) friend was careless and somehow
let his account information be stolen, this kind of thing
could easily happen. And it does.

That's why people like me keep harping on keeping your
computer secure, choosing good passwords, and all the other
habits we should develop to stay safe.

Leo

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Comment from Sheena on 2008-07-09

2008-07-09T14:11:57Z

I have been talking to who I thought was a friend for the past 2 months and then he popped up and said that he wasnt really that person. He was just using his screen name and myspace. But this guy has been sending me my friends pics and information about his work in the military. Is that possible to really be able to have acess to someones whole computer like that?

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Comment from Leo on 2008-04-27

2008-04-27T19:16:12Z

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That's exactly what bots do - send email from your machine. Basically if your
machine is infected or hacked, all bets are off - they can do anything.

Leo

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Comment from Dr. Mitu on 2008-04-25

2008-04-26T06:24:45Z

can someone hack my computer and then send emails with IP address of my computer? In other words, can someone use my IP address from a distant computer after hacking my system?

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Comment from Leo A. Notenboom on 2007-11-14

2007-11-15T03:43:12Z

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Actually GMail stays in secure mode if you go to it in secure mode.
https://mail.google.com

Encrypting a message is different, and requires that your recipient have the
ability to decrypt it.

Leo

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Comment from Maria Edwards on 2007-11-13

2007-11-13T23:05:31Z

I notice you say use SSL but I find for instance when I use yahoo, hotmail and even Gmail only the sign in page is secure, when I navigate away from this page, I see that my information is no longer secure, so I was wondering is it safer if I use Outlook express that I see has an option to encrypt messages I am sending, and is the message going to be encrypted all the way until it reaches the sender?

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Comment from Nit on 2007-09-16

2007-09-16T08:33:39Z

someone please answer my question. if i enter a chat room, can the administrator hack into my computer??
i need to know. i broke one of the rules of the chat room and have been banned from the website...but i am anxious that the administrator may hack into my comp because i know he has hacked into the email accounts of some ppl there... please help me..

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Comment from kuldeep Dashora on 2007-06-28

2007-06-28T07:43:12Z

Data traveling on a network such as the internet can be seen by many other machines. Local machines, connected via a hub, for example, all see the data being sent to and from all the other machines connected to the same hub. As the data travels the internet, it's quite possible that other machines on the network can also see the data.

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Comment from vickie on 2007-04-28

2007-04-28T18:29:36Z

I have changed my password every two weeks and I still have a hacker getting into my computer and I know who it is and I can't do nothing about it, so Leo can you please tell me what I can do about these people please?

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Comment from Good_Hacker on 2007-04-23

2007-04-24T04:06:17Z

Fear not, dumb user!

For parent who fear of child chatting with stranger, Child may chat to any stranger, for only one things that a child cannot reveal such information is a link to your place. Feed some fear to your child just how dangerous if involving to give information contact or in meeting can result to happen.

Here's CNN recording to catch predator;
http://www.google.com/search?hl=en&q=site%3Acnn.com+predator+internet+transcript&btnG=Search
=============

Now for accounts that involve user/password on internet, such as IM, Mail, Myspace or whatsoever.. 1) You forgot to log off when you leave the computer in public such as at library, work, hotel, and other place of computer access to public. 'hacker' will play with your account, they may changed the password to keep the account for some reason, to check inside email and find the new other account you have created from any company that you registered (myspace, youtube, acme).. 'hacker' may as well go on myspace and click to "forgot password" by filling in email address and wait for popup in email browser.. So, created email account that come with 4 years or so, give hacker assuming that this person's account have register many other site..

----

To check if 'hacker' is nosy around on your network, This work in most LAN area, the outside of gateway(dsl,modem,cable) does possiable sniffing your datas at the endpoint of server or in route, 'hackers' can sniffing datas on the route point to find any interesting datas to use.

To track them down, Type (Ctrl+R) to open the 'Run dialog box' and type 'cmd.exe' and enter to run console program... type 'netstat -ab' to show the ip address and the program running in your system if there's any other program you find is linking from ip.. Those program is what give 'hacker' interest to play with. This program may be a trojan running that you have been exploited in the past..

Start research on google.com to see what does this program is running, just to check if this is a trojan or not..

Another one to check in your traceroute from your computer to a target computer, the target we'll be using is google.com, on the console, you type 'tracert google.com' You will see what is hopping from your computer, it will show something like this,
Your computer --> DSL --> ISP company --> route box --> misc box --> Google Server ....

-========

How to protect your datas,
To talk on line, use 'ssl' to secure your line.
To use file transfer, two things to use, encrypt the file by using this program http://www.truecrypt.org/downloads.php
Or compress it into RAR or ZIP and set the password in it to protect files inside compression file...

To surfing on browser, 2 things to protect, Use httpS on port 443,
On google.com, Type in url 'google.com:443' This will redirect to 'https://google.com'

The second is probably not secure but it protect your identify if you don't want other same 'hacker' on the route to sniff the same datas you sent to from point A to point B... You use Proxy
http://www.google.com/search?hl=en&q=proxy+surf&btnG=Search

-------

Fear about your identify, Well, it what you decided to say your name, address to the outside internet is already sitting there and kept as caching on other side of it.. You can't tell that company to get rid of it.. IT ALREADY OUT THERE... In fact, your information is probably already out there since you have not as a user give out already.. You probably went to agency who work for he company is require to fill your information on their computer.. From that computer, they store information to the server database through the line on internet.. So it is already revealing to the network.. If you have the account to the bank, It is already out there on network.. If you use the library card, it is already out there, Your name, address, phone... If you have registering for a yellow book for your house phone number, it is already out on internet..

Point being, Your identify, don't spread more information that may led to "hacker's interest" to take from your... Your name, address, phone number.. What can the 'hacker' use them for? Probably nothing.. maybe spaming your mail.. it is possiable.. http://www.google.com/search?hl=en&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=phone+book&spell=1
'hacker' can get their database of all person's name and address and put in 'hacker program to print' all papers to sent it out..

All of this seem to be pointless to me.. i guess All I could say to you is to start become a hacker and understand exactly what can hacker do. To be awareness of hacker's tools can save you some idea just exactly what they use against to..

Protect your box, Use Firewall/IDS/Proxy/Monitor/Sandbox

Google it if you find such term you're clueless

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Comment from claire on 2007-04-10

2007-04-10T18:08:51Z

Are there ways for people on social networking sites (such as myspace) to obtain information about people visiting their site? Thanks for your help.

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Comment from claire on 2007-04-10

2007-04-10T18:05:24Z

Hi,

I have Mcafee Security Center which has been sending me notifications that my name ( both first and last) are being requested when I visit various sites. It also has said my address is being sent, but just my city. It says my exact first and last names are being sent which makes me uneasy. How do I stop this besides just hitting reject all the time?

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Comment from Leo Notenboom on 2007-03-07

2007-03-07T23:38:33Z

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Only use encrypted connections. https connections for webmail and
banking for example.

Leo
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Comment from teac on 2007-03-07

2007-03-07T19:07:14Z

Hi,
I read your information written above. I am in a office where 4 other people work and we all use same hub for connecting to internet. One guy is pretty smart and using linux. He said that he can see anyone`s data travelling through net. We are very scraed because of privacy of our emails, bank account etc. How can we stop him seeing that?

Regards,
tea

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Comment from mohammed on 2006-06-02

2006-06-02T22:06:44Z

what will they be able to do?

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Comment from Leo A. Notenboom on 2006-05-31

2006-05-31T16:07:32Z

Of course. It's just MUCH MUCH harder.

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Comment from mohammed on 2006-05-31

2006-05-31T12:36:10Z

if i have a a firewall can people still hack into my pc?

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Comment from CHERYL on 2006-04-05

2006-04-05T11:13:23Z

leo: my daugher lives with me with have comcast internet--my daugher got on to iam and my space--my ex who lives 6 miles away got hold of her myspace info and iam--does this mean he has hacked into our computer @ home or is he using a software--at that point of him doing this--her passwords userid were changed

is he hacking into our computer and my husband and my info and is this against the law

thanks desparate

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Comment from Leo on 2006-03-28

2006-03-28T18:50:48Z

The simplest is making sure that the connection is "https" from any login screen onward.

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Comment from Dave on 2006-03-28

2006-03-28T18:46:01Z

“Well, for one thing, make sure that any sensitive web surfing you might choose to do, such as banking or on-line shopping, is always done via a secure connection. Even better ... wait until you're home to do those things.”

I am going to be away from home for a significant period this year and cannot wait until I get home to pay bills, etc. I do I evaluate whether I have a secure connection?

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Comment from Karl on 2006-03-03

2006-03-03T23:00:04Z

Recent: While playing AOE on MSN zone, A hacker who didn't want to lose was able to terminate my DSL connection? How? and what can I do to prevent this or track it?

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Comment from Bill Pryor on 2006-03-02

2006-03-03T07:15:27Z

I am an expert pc user and spend 60 hours a week on my machine and have never had this happen... I turned off my firewall to access a program on my old pc on the home network. I imported a file from c:folder\subfolder. I left the firewall off and left my machine for 7 hours. When I came back all files had disappeared from the folder and were not in the recycle bin. I am the admin account and logged off before I walked away but left the pc running with the firewall off. Did someone hack in and delete all my images. How can I trace down the files or evidence that I was hacked. Lucky for me what's important is always transferred to cd or dvd and it was backed up.

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Comment from Leo on 2006-01-04

2006-01-05T05:24:39Z

If your computer is off, then no, it cannot be hacked into.

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Comment from Qiana on 2006-01-04

2006-01-04T16:09:52Z

I have been hacked and have optimum online dsl service. Is it possible for hackers to retrieve information from my computer even though I shut down?

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Comment from Leo on 2005-11-13

2005-11-14T03:47:41Z

Try this article: http://ask-leo.com/just_how_secure_is_email_anyway.html

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Comment from Jeff on 2005-11-05

2005-11-05T16:23:12Z

My business requires the emailing of some sinsitive information on a regular basis. I have spoken with my boss and co-workers about all of us using an encripted email system such as mailvault.com but no one seems to think there is a sigificant threat or danger out there to require these extra steps in security. Can you offer any data to help me to convice them that this IS a good idea?

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Comment from Matt on 2005-10-11

2005-10-11T07:12:46Z

If you were on a LAN with your boss i could see this or on a wifi connect.
If your on a basic 56k dial up i'd say its a trojan or some kind of remote monitoring software.
If i were in your shoes (I wouldnt have been hired by the guy outta fear) Iwould pop in a Knoppix Live CD and go to town on his network and screw with his mind.
Bosses are snoopy and it's not right if he put some software on your HD to peek on you.

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Comment from Leo on 2005-09-01

2005-09-02T05:07:50Z

Not typically, no. You would have to have installed software that would auto-answer the phone. But in general, the answer's no.

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Comment from Mike on 2005-08-31

2005-08-31T18:47:05Z

If my computer is 'offline' but the phone line is still connected, is it possible for a hacker to dial 'into' my system?

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Comment from LAURA FLESHER on 2005-07-14

2005-07-15T05:31:12Z

MY EX EMPLOYER HAS HACKED INTO MY HOME COMPUTER AND PRINTED OFF EMAILS TO HIS OFFICE.
HOW CAN HE GET AWAY WITH THIS, IS THIS NOT AGAINST THE LAW?
THAT IS OPENING SOMEONE'S MAIL AS HE DID ME.
THIS IS TERRIBLE ON HIS PART, HE IS A ROTTEN PERSON TO DO THIS, I WOULD NEVER DO THAT, HAS HE NOTHING BETTER TO DO? WE GOT INTO A FIGHT OVER IT AN I LOST MY JOB. HE PRINTED SOMETHING OFF MY COMOPUTER ON A SUNDAY, WHEN I DO NOT EVEN WORK.
HE STOLE MY PASSWORD AND MONITORED ME FROM HIS OFFICE IS WHAT HE TOLD ME.

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