Not exact matches
Two serious security flaws that could let
attackers steal sensitive data have been discovered in nearly all
of the world's
computers and mobile devices.
Though Iran initially had no idea it was attacked by a cyber weapon, believing its scientists and engineers were incompetent due to the failures, eventually the code escaped and worldwide infections led
computer researchers to study it, and the idea
of leaving «no trace»
of the
attacker was gone.
Two - fifths
of the time, the
attackers encrypted data on more than one
computer.
Japanese security software maker Trend Micro (tmicy) said that it had warned Adobe (adbe) that it had seen
attackers exploiting the flaw to infect
computers with a type
of ransomware known as «Cerber» as early as March 31.
It's a botnet, called «Adylkuzz,» that infects victims»
computers and makes them secretly mine a cryptocurrency called Monero to make money for the
attackers — and it seems to have pulled in tens
of thousands
of dollars.
It also means that hackers sometimes try and hijack people's
computers to mine cryptocurrencies without them realising — making the
attacker a tidy profit at the expense
of the victim's
computer's performance.
A few months ago, our kids» school district, one
of the largest in South Carolina, was hit with a virus that spread «ransomware,» a malicious software designed to block
computer systems by encrypting the data in which the
attackers gain access.
Those tools can siphon off oceans
of data — passwords, keystrokes, screen images, documents and, in some cases, recordings from
computers» microphones and Web cameras — and send the information back to the
attackers» Web servers.
More facts came to light on Monday, when pressured by local media, the company revealed that the breach occurred after an unknown
attacker hacked the personal
computer of a Bithumb employee, from where he stole the details
of over 31,800 Bithumb users — about 3 %
of the platform's entire userbase.
Chinese hackers have established a reputation for low - tech «phishing,» the sending
of disguised emails to get a company's employees or a government's bureaucrats to allow the
attackers access to their
computer networks.
Investigators believe Iranian
attackers placed a virus on
computers of Saudi Aramco, Saudi Arabia's largest company, in 2012.
«Because
of the static nature
of a
computer network, the
attacker has a time advantage,» said Dinghao Wu, assistant professor
of information sciences and technology.
The attacks included the use
of botnets, networks
of otherwise benign
computers that are broken into and controlled remotely by an
attacker.
Now Clark and colleagues have investigated how the cloud could be used to build a botnet, a network
of infected
computers under an
attacker's control.
«The
attackers now know what to expect with authentication that asks them to smile or blink, so they can produce a blinking model or smiling face in real time relatively easily,» said Erkam Uzun, a graduate research assistant in Georgia Tech's School
of Computer Science and the paper's first author.
«We looked at the problem knowing what the
attackers would likely do,» said Simon Pak Ho Chung, a research scientist in Georgia Tech's School
of Computer Science.
In the end, Sony backed down and ended up paying out millions
of dollars in compensation to music buyers after it was shown the rootkit would allow an
attacker to subvert the
computer of someone who had the software installed.
Ransomware, where a victim's
computer is locked and the
attacker demands a payment in return, was the method
of attack against Claire Danes» character.
In other words, if you visit a website designed to take advantage
of the vulnerability, it could run code within IE that gives the
attacker control
of the victim's
computer.
In practice, an
attacker usually has a «command and control»
computer which controls a cloud
of «bots», which are other people's
computers subverted by viruses.
Care to speculate about whether defending your system, or poisoning the
attacker's system, would constitute «colour
of right» that is a defence against a charge
of unauthorized access to someone else's
computer system?
Thousands
of government websites around the world have been found infected with a specific script that secretly forces visitors»
computers to mine cryptocurrency for
attackers.
«Cryptocurrency is the new hotness and you look at what the price
of bitcoin and a bunch
of the other currencies have done over the last year and it's inevitable that the
attackers are going to start trying to harness your
computer and mine to generate these types
of currencies,» Goodin says.
The issue highlighted to us was a proof
of concept, in which an
attacker could theoretically change the «receive» address seen on the
computer's screen by a user sending cryptocurrencies while using the Ledger Chrome application.
The
attacker also apparently controls a
computer called INSA - PC, because (a) the GMail account
of an individual infected by the
attacker was accessed from the same IP address as INSA - PC, and (b) INSA - PC is located in between two other addresses known to be associated with this
attacker.
Once established on that single
computer, the
attackers can then steal credentials and start to probe the rest
of the network for other vulnerable machines, repeating the process on other
computers until they achieve their objective, whether that is stealing data, intellectual property, or disrupting the business.
The leaked NSA tools were used in a recent cryptocurrency attack, called Adylkuzz, which used an army
of hacked
computers, a botnet, to mine cryptocurrency and redirect reward points to the
attackers» accounts.
There are theoretical ways to make Bitcoin fully quantum - safe, but the fact that an address is simply a hash
of a public key does mean that once quantum
computers do come out
attackers will be able to do much less damage before we fully switch over.
So with a single update to the home location
of the respective malware, a single
attacker can instantly coordinate hundreds
of thousands
of compromised
computers to perform a massive DDoS attack.
Botnets are networks
of compromised
computers, controlled by remote
attackers in order to perform such illicit tasks as sending spam or attacking other
computers.
Apparently, the
attackers installed a second malware application on the
computers it infected, targeting a specific list
of domains.
A Russian businessman was held hostage until he logged onto his
computer and transferred around $ 100,000
of Bitcoin to his
attackers.
Researchers from the Ben - Gurion University
of the Negev in Israel have identified 29 ways in which
attackers could use USB devices to compromise users»
computers.
Tavis Ormandy, an IT security researcher at Google's Project Zero has identified a critical flaw in Transmission BitTorrent app that if exploited lets
attackers take full control
of a targeted
computer on Linux or Windows operating system.
The very real fear is that
attackers could exploit the flaw on vulnerable systems to gain access to parts
of the
computer's memory which may be storing sensitive information.
Design flaw in Intel processors opens door to rootkits, researcher says A design flaw in the x86 processor architecture dating back almost two decades could allow
attackers to install a rootkit in the low - level firmware
of computers, a security researcher said Thursday.
A design flaw in the x86 processor architecture dating back almost two decades could allow
attackers to install a rootkit in the low - level firmware
of computers, a security researcher said Thursday.
With
computer attackers growing ever more skilled and devious, organizations need highly skilled people more now than ever.The SANS Pen Testing courses are built with those principles in mind to help attendees achieve the status
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