Dear teachers,
For Installing or upgrading Ubuntu in you computer, just go through this
link and do it.
http://karnatakaeducation.org.in/KOER/en/index.php/Install_ubuntu
and let me know for any help.
Regards
Rakesh B
------------------------------------------------------------------------
Project Associate-IT
IT for Change <http://www.ITforChange.net/>
In special consultative status with the United Nations ECOSOC
M: 97315 22202 | T: 080 2653 6890
On Monday 15 May 2017 07:33 PM, Gurumurthy K wrote:
Although it doesn't affect gnu/linux machines, in any case, if you are
using wine(windows emulator) on ubuntu please don't use it to open mails or
browse the web without updating it to latest version.
If you are using Windows for any purpose, make sure you have applied
MS17-010 patch released from Microsoft -
https://technet.microsoft.com/en-us/library/security/ms17-010.aspx
IT for Change, Bengaluru
www.ITforChange.net <http://www.ITforChange.net>
On Sat, May 13, 2017 at 1:45 PM, Gurumurthy K <itfc.stfk...@gmail.com
<mailto:itfc.stfk...@gmail.com>> wrote:
Dear teachers,
Please keep updating the security updates on your computer. See
article below.
On Ubuntu, upgrade to the latest version can also be done freely
without any license fees .... Pls do
(see
http://karnatakaeducation.org.in/KOER/en/index.php/Kalpavriksha
<http://karnatakaeducation.org.in/KOER/en/index.php/Kalpavriksha>
for information)
regards,
Guru
source -
http://money.cnn.com/2017/05/12/technology/ransomware-attack-nsa-microsoft/
<http://money.cnn.com/2017/05/12/technology/ransomware-attack-nsa-microsoft/>
Massive ransomware attack hits 99 countries - May. 12, 2017
------------------------------------------------------------------------
Hospitals, major companies and government offices have been
hit by a massive wave of cyberattacks across the globe that
seize control of computers until the victims pay a ransom.
Cybersecurity firm Avast said it tracked
<https://slack-redir.net/link?url=https%3A%2F%2Fblog.avast.com%2Fransomware-that-infected-telefonica-and-nhs-hospitals-is-spreading-aggressively-with-over-50000-attacks-so-far-today>
more than 75,000 ransomware attacks in 99 countries on Friday.
It said the majority of the attacks targeted Russia, Ukraine and
Taiwan. But hospitals in the U.K., and global firms like Fedex
(FDX
<http://money.cnn.com/quote/quote.html?symb=FDX&source=story_quote_link>)
also reported they had come under assault.
*What is it?*
*The ransomware locks down all the files on an infected computer
and asks the computer's administrator to pay in order to regain
control of them. *
*The ransomware, called "WannaCry," is spread by taking advantage
of a Windows vulnerability* that Microsoft (MSFT
<http://money.cnn.com/quote/quote.html?symb=MSFT&source=story_quote_link>,
Tech30 <http://money.cnn.com/technology/tech30/index.html?iid=EL>)
released a security patch
<http://money.cnn.com/2017/04/15/technology/microsoft-patch-shadow-brokers/index.html?iid=EL>
for in March. But computers and networks that haven't updated
their systems are at risk. The exploit was leaked last month as
part of a trove ofNSA spy tools
<http://money.cnn.com/2017/04/14/technology/windows-exploits-shadow-brokers/index.html?iid=EL>.
"Affected machines have six hours to pay up and every few hours
the ransom goes up," said Kurt Baumgartner, the principal security
researcher at security firm Kaspersky Lab. "Most folks that have
paid up appear to have paid the initial $300 in the first few hours."
Related: Microsoft quickly fixes 'crazy bad' Windows bug
<http://money.cnn.com/2017/05/09/technology/microsoft-bug-remote-windows-patch/index.html?iid=EL>
Sixteen National Health Service (NHS) organizations in the UK have
been hit
<http://www.cnn.com/2017/05/12/health/uk-nhs-cyber-attack/index.html?iid=EL>,
and some of thosehospitals have canceled outpatient appointments
and told people to avoid emergency departments if possible.
Spanish telecom company Telefónica (TEF
<http://money.cnn.com/quote/quote.html?symb=TEF&source=story_quote_link>)
was also hit with the ransomware.
Spanish authorities confirmed
<https://www.ccn-cert.cni.es/seguridad-al-dia/comunicados-ccn-cert/4464-ataque-masivo-de-ransomware-que-afecta-a-un-elevado-numero-de-organizaciones-espanolas.html>
the ransomware is spreading through the vulnerability, called
"EternalBlue," and advised people to patch.
"It is going to spread far and wide within the internal systems of
organizations -- this is turning into the biggest cybersecurity
incident I've ever seen," UK-based security architect Kevin
Beaumont said.
Fedex said it was "experiencing interference with some of our
Windows-based systems caused by malware" and was trying to fix the
problems as quickly as possible.
Russia's Interior Ministry released a statement acknowledging a
ransomware attack on its computers, adding that less than 1% of
computers were affected, and that the virus is now "localized."
The statement said antivirus systems are working to destroy it.
Related: NSA's powerful Windows hacking tools leaked online
<http://money.cnn.com/2017/04/14/technology/windows-exploits-shadow-brokers/index.html?iid=EL>
Megafon, a Russian telecommunications company, was also hit by the
attack. Spokesman Petr Lidov told CNN that it affected call
centers but not the company's networks. He said the situation is
now under control.
The U.S. Department of Homeland Security, in a statement
<https://www.dhs.gov/news/2017/05/12/dhs-statement-ongoing-ransomware-attacks>
late Friday, encouraged people to update their operating systems.
"We are actively sharing information related to this event and
stand ready to lend technical support and assistance as needed to
our partners, both in the United States and internationally," the
department said.
Kaspersky Lab says although the WannaCry ransomware can infect
computers even without the vulnerability, EternalBlue is "the most
significant factor" in the global outbreak.
*How to prevent it*
Beaumont examined a sample of the ransomware used to target NHS
and confirmed it was the same used to target Telefónica. He said
companies can apply the patch released in March to all systems to
prevent WannaCry infections. Although it won't do any good for
machines that have already been hit.
He said it's likely the ransomware will spread to U.S. firms too.
The ransomware is automatically scanning for computers it can
infect whenever it loads itself onto a new machine. It can infect
other computers on the same wireless network.
"It has a 'hunter' module, which seeks out PCs on internal
networks," Beaumont said. "So, for example, if your laptop is
infected and you went to a coffee shop, it would spread to PCs at
the coffee shop. From there, to other companies."
Related: How leaked NSA spy tools created a hacking free-for-all
<http://money.cnn.com/2017/04/25/technology/nsa-doublepulsar-hacking-tool/?iid=EL>
According to Matthew Hickey, founder of the security firm Hacker
House, Friday's attack is not surprising, and it shows many
organizations do not apply updates in a timely fashion. When
CNNTech first reported
<http://money.cnn.com/2017/04/14/technology/windows-exploits-shadow-brokers/index.html?iid=EL>
the Microsoft vulnerabilities leaked in April, Hickey said they
were the "most damaging" he'd seen in several years, and warned
that businesses would be most at risk.
Consumers who have up-to-date software are protected from this
ransomware. Here's how to turn automatic updates
<https://support.microsoft.com/en-us/help/306525/how-to-configure-and-use-automatic-updates-in-windows>
on.
It's not the first time hackers have used the leaked NSA tools to
infect computers. Soon after the leak, hackers infected thousands
of vulnerable machines with a backdoor
<http://money.cnn.com/2017/04/25/technology/nsa-doublepulsar-hacking-tool/index.html?iid=EL>
called DOUBLEPULSAR.
/-- Jethro Mullen, Clare Sebastian and Livvy Doherty contributed
to this report./
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Guru
IT for Change, Bengaluru
www.ITforChange.net <http://www.ITforChange.net>
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4.ನೀವು ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶ ಬಳಸುತ್ತಿದ್ದೀರಾ ? ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶದ ಬಗ್ಗೆ ತಿಳಿಯಲು
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