Its better to allow softwares downloaded from official sites, but we should consider 'Deny' for cracked softwares downloaded from random websites. If I knew this from the beginning I wouldn't be this worried. That's all I had been looking for.
Not entirely true. Technically speaking, Ubuntu ships with minimum open ports, particularly 631, which is for network printing. But such services as mail transfer, ssh, ftp - they all require a server software installed on your machine. For instance , ssh port 22 is open on my machine only after I installed openssh-server.
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I am no information security professional, but I wouldn't be surprised if there were keyloggers that send information through port 80, which is the standard port for internet stuff. Browsers do that, for instance. So the answer is , information could still escape your computer
When you scan with localhost , that means you're scanning your own computer. Localhost,or the address that computer refers to itself, is set to 127.0.0.1. It's like asking yourself Who am I ? Well, I am me would be the response.
That means you have ports 51072 and 631 open. 631 is open by default, but 51072 is a little trickier. Ports from 1024 to 65534 are used to establish temporary connections, for example by internet browsers. Typically they're opened and then closed, but if it's persistent you may already have some form of malware installed, not necessarily a keylogger.
After that you should be able to return to your internet browsing, but you may want to observe your connections, ports, behavior of the machine. Avoid doing anything that could compromise important passwords and logins. If you still have an issue, consider asking information security professionals for help.
So for a virus/keylogger/whatever to infest Ubuntu, it would need to magically move itself to something you can open in Ubuntu. You need to activate that something by making it executable, clicking it in Ubuntu to run it and it would need to have valid instructions for an Ubuntu system to be able to run.
Windows 10 can only track you when it is booted. As privacy-invading as Microsoft is, they can't legally (I hope), make it so something is injected into Ubuntu to track you there too. Unless Windows is booted, it is completely inactive, tracking features and all.
Depending on if the "malware" was coded to look for dual boot configs which many rarely do as it adds many, MANY more lines of code and is an overall headache, but i wouldnt put it past microsoft to do so.... if it can check for dual boot systems it would most likely remain in the bootsector, reason for the bootsector would be to detect the presence of a grub loader, which, id suggest poking around there with EXTREME caution, and it would be worth seeing if you could modify the "malware" so that it was unusable, but still showed as though it remained on your system.
I want to use a keyboard for getting thoughts down without the distraction of a computer. Can I plug it directly into a hardware keylogger, or would the keylogger or keyboard need phantom power from the computer? I understand that I will not be able to see what I type, and that backspaces will be recorded as characters. If some keyloggers could do this but not others, what is an affordable one that could do this? Obviously, unlike the intended audience, I don't care about using it covertly.
What does this mean for couples undergoing a divorce? The spouse who wants to record the conversation may do so without fear of legal consequences. However, no one may record their spouse and other parties speaking without requesting consent from at least one of those parties.
Any party who places a discrete tracking device in a car that they do not own can face legal consequences. As such, spouses should avoid using such means to track one another, even if undergoing a divorce or separation.
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Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard,[1][2] typically covertly, so that a person using the keyboard is unaware that their actions are being monitored. Data can then be retrieved by the person operating the logging program. A keystroke recorder or keylogger can be either software or hardware.
While the programs themselves are legal,[3] with many designed to allow employers to oversee the use of their computers, keyloggers are most often used for stealing passwords and other confidential information.[4][5] Keystroke logging can also be utilized to monitor activities of children in schools or at home and by law enforcement officials to investigate malicious usage.[6]
In the mid-1970s, the Soviet Union developed and deployed a hardware keylogger targeting typewriters. Termed the "selectric bug", it measured the movements of the print head of IBM Selectric typewriters via subtle influences on the regional magnetic field caused by the rotation and movements of the print head.[8] An early keylogger was written by Perry Kivolowitz and posted to the Usenet newsgroup net.unix-wizards, net.sources on November 17, 1983.[9] The posting seems to be a motivating factor in restricting access to /dev/kmem on Unix systems. The user-mode program operated by locating and dumping character lists (clients) as they were assembled in the Unix kernel.
A software-based keylogger is a computer program designed to record any input from the keyboard.[15] Keyloggers are used in IT organizations to troubleshoot technical problems with computers and business networks. Families and businesspeople use keyloggers legally to monitor network usage without their users' direct knowledge. Microsoft publicly stated that Windows 10 has a built-in keylogger in its final version "to improve typing and writing services".[16] However, malicious individuals can use keyloggers on public computers to steal passwords or credit card information. Most keyloggers are not stopped by HTTPS encryption because that only protects data in transit between computers; software-based keyloggers run on the affected user's computer, reading keyboard inputs directly as the user types.
In 2000, the FBI used FlashCrest iSpy to obtain the PGP passphrase of Nicodemo Scarfo, Jr., son of mob boss Nicodemo Scarfo.[46]Also in 2000, the FBI lured two suspected Russian cybercriminals to the US in an elaborate ruse, and captured their usernames and passwords with a keylogger that was covertly installed on a machine that they used to access their computers in Russia. The FBI then used these credentials to gain access to the suspects' computers in Russia to obtain evidence to prosecute them.[47]
An anti-keylogger is a piece of software specifically designed to detect keyloggers on a computer, typically comparing all files in the computer against a database of keyloggers, looking for similarities which might indicate the presence of a hidden keylogger. As anti-keyloggers have been designed specifically to detect keyloggers, they have the potential to be more effective than conventional antivirus software; some antivirus software do not consider keyloggers to be malware, as under some circumstances a keylogger can be considered a legitimate piece of software.[49]
Rebooting the computer using a Live CD or write-protected Live USB is a possible countermeasure against software keyloggers if the CD is clean of malware and the operating system contained on it is secured and fully patched so that it cannot be infected as soon as it is started. Booting a different operating system does not impact the use of a hardware or BIOS based keylogger.
Many anti-spyware applications can detect some software based keyloggers and quarantine, disable, or remove them. However, because many keylogging programs are legitimate pieces of software under some circumstances, anti-spyware often neglects to label keylogging programs as spyware or a virus. These applications can detect software-based keyloggers based on patterns in executable code, heuristics and keylogger behaviors (such as the use of hooks and certain APIs).
No software-based anti-spyware application can be 100% effective against all keyloggers.[50] Software-based anti-spyware cannot defeat non-software keyloggers (for example, hardware keyloggers attached to keyboards will always receive keystrokes before any software-based anti-spyware application).
The particular technique that the anti-spyware application uses will influence its potential effectiveness against software keyloggers. As a general rule, anti-spyware applications with higher privileges will defeat keyloggers with lower privileges. For example, a hook-based anti-spyware application cannot defeat a kernel-based keylogger (as the keylogger will receive the keystroke messages before the anti-spyware application), but it could potentially defeat hook- and API-based keyloggers.
Network monitors (also known as reverse-firewalls) can be used to alert the user whenever an application attempts to make a network connection. This gives the user the chance to prevent the keylogger from "phoning home" with their typed information.
Using one-time passwords may prevent unauthorized access to an account which has had its login details exposed to an attacker via a keylogger, as each password is invalidated as soon as it is used. This solution may be useful for someone using a public computer. However, an attacker who has remote control over such a computer can simply wait for the victim to enter their credentials before performing unauthorized transactions on their behalf while their session is active.
Another common way to protect access codes from being stolen by keystroke loggers is by asking users to provide a few randomly selected characters from their authentication code. For example, they might be asked to enter the 2nd, 5th, and 8th characters. Even if someone is watching the user or using a keystroke logger, they would only get a few characters from the code without knowing their positions.[51] 0852c4b9a8
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