Original release date: April 14, 2020 | Last revised: April 15, 2020
Summary
The U.S. Departments of State, the Treasury, and Homeland Security, and the Federal Bureau of Investigation are issuing this advisory as a comprehensive resource on the North Korean cyber threat for the international...
Original release date: April 8, 2020
Summary
This is a joint alert from the United States Department of Homeland Security (DHS) Cybersecurity and Infrastructure Security Agency (CISA) and the United Kingdom’s National Cyber Security Centre (NCSC).
This alert provides information on...
Original release date: February 18, 2020
Summary
Note: This Activity Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK™) framework. See the MITRE ATT&CK for Enterprise and Link Removed frameworks for all referenced threat actor techniques and mitigations.
CISA...
cisa
control systems
cybersecurity
data backup
data integrity
emergency response
hmi
incident response
infrastructure
it network
loss of productivity
mitigation
network segmentation
operational technology
ot network
phishing
pipeline security
ransomware
spearphishing
threat actor
Original release date: December 5, 2019
Summary
This Alert is the result of recent collaboration between the Department of the Treasury Financial Sector Cyber Information Group (CIG) and the Department of the Treasury’s Financial Crimes Enforcement Network (FinCEN) to identify and share...
Microsoft has been investigating recent attacks by malicious actors using the Dopplepaymer ransomware. There is misleading information circulating about Microsoft Teams, along with references to RDP (BlueKeep), as ways in which this malware spreads. Our security research teams have investigated...
actors
attacks
bluekeep
cybersecurity
dopplepaymer
guidance
information
investigation
malware
microsoft
misleading
prevention
protection
ransomware
rdp
research
security
teams
threats
vulnerabilities
Hi. I recently lost 100,000 personal pictures and a lot of music I wrote for many years. I lost it to a ransomware, with a DOCM extension. I looked online and it said it was new and the encryption was done repeatedly up to 10 times deep. I happened to have ALL my backup usb hard drives attached...
Original release date: December 03, 2018
Summary
The Department of Homeland Security (DHS) National Cybersecurity and Communications Integration Center (NCCIC) and the Federal Bureau of Investigation (FBI) are issuing this activity alert to inform computer network defenders about SamSam...
When I tied to run this with 1803 t said the probable cause was an a/v interfering.
I only have MBAM so I disabled it by right clicking and selecting "quit".
When I ran system restore again the same thing happened.
Can Windows be working against itself so I should disable ransomware etc.?
I...
Just did a new PC build and have been forced to upgrade to Win10, --- Not a happy camper, but resigned to it.
A few days ago I began getting this every time the OS is loaded:
Then, I found this on one of my data drives about the same time:
There has been nothing to indicate a ransomware...
I have implemented a method to 'hide' external USB backup drives from Windows.
The process works as follows:
- use Device Manager to determine the Hardware ID or Parent ID of the USB drive
- label the USB drive appropriately
- create a script to invoke Removedrive (freeware by Uwe Sieber) with...
Original release date: July 01, 2017 | Last revised: July 28, 2017
Systems Affected
Microsoft Windows operating systems
Overview
This Alert has been updated to reflect the National Cybersecurity and Communications Integration Center's (NCCIC) analysis of the "NotPetya" malware variant.
The...
Original release date: May 12, 2017 | Last revised: May 19, 2017
Systems Affected
Microsoft Windows operating systems
Overview
According to numerous open-source reports, a widespread ransomware campaign is affecting various organizations with reports of tens of thousands of infections in...
Original release date: December 01, 2016 | Last revised: December 14, 2016
Systems Affected
Microsoft Windows
Overview
“Avalanche” refers to a large global network hosting infrastructure used by cyber criminals to conduct phishing and malware distribution campaigns and money mule schemes...
anti-virus
avalanche
botnet
cyber crime
data theft
denial of service
dhs
fast flux
fbi
financial institutions
impact
malware
os update
password change
personal info
phishing
ransomware
remediation
security
windows
I have an older laptop that I try to keep secure with windows updates. Especially In the wake of all these ransom ware attacks. When new updates are issued on my desktop, I check the laptop to see if it will be getting same. Never happens. When I go to my security menu and ask for windows...
answer desk
compaq
cybersecurity
help
laptop
maintenance
microsoft
older systems
petya
protection
ransomware
risks
security
security menu
software update
troubleshooting
update issues
user concerns
wannacry
windows updates
Original release date: July 01, 2017
Systems Affected
Microsoft Windows operating systems
Overview
On June 27, 2017, NCCIC was notified of Petya ransomware events occurring in multiple countries and affecting multiple sectors. Petya ransomware encrypts the master boot records of infected...
As happened recently with WannaCrypt, we again face a malicious attack in the form of ransomware, Petya. In early reports, there was a lot of conflicting information reported on the attacks, including conflation of unrelated and misleading pieces of data, so Microsoft teams mobilized to...
A modification of the Petya ransomware is making the rounds today, and our threat labs shares information on the background of this variant, how it's infecting machines (the same exploit as WannaCry) and how to stay safe.
We've blocked ~12,000 malware attacks today utilizing this exploit and...
Hello guys...!
We use various OS such as Windows XP, Windows 7, Windows 8 in our office. In the beginning there's no networking problem, Windows XP can access to higher Windows, and Windows 7/8 can access Windows XP. Everything's fine until installing windows update MS17-010 on last Monday for...
access issues
computer name
error messages
file sharing
firewall
ip address
lan manager
local policy
ms17-010
network security
networking
printer sharing
ransomware
smb
troubleshooting
update
windows 7
windows 8
windows update
windows xp
I'm trying to understand the nature of virus/malware/ransomware to better apply my backup strategies. So here are some questions I have:
Question Scenario #1 -
Lets say I have 2 internal hard drives connected to my PC. One with Windows10 installed and the other one with Linux installed. I use...