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Cybersecurity and Infrastructure Security Agency
@CISAgov
We lead the National effort to understand, manage, and reduce risk to our cyber and physical infrastructure. Likes, retweets, follows ≠ endorsements.
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JUST RELEASED: Emergency Directive 21-01 calls on all federal civilian agencies to review their networks for indicators of compromise and disconnect or power down SolarWinds Orion products immediately. Read more:
Last night we issued an emergency directive to mitigate the compromise involving SolarWinds Orion products: cisa.gov/news/2020/12/1. We urge all our partners—in the public & private sectors—to assess their exposure to this compromise and to secure their networks.
We issued V2 supplemental guidance to Emergency Directive 21-01. verified version 2020.2.1 HF2 of SolarWinds Orion eliminates previously identified malicious code. Agencies using non-affected versions must update to the new version: cyber.dhs.gov/ed/21-01/#supp
Welcome, !
Our team is ready to work alongside the new administration to help the nation defend against today’s threats and to build a more secure & resilient infrastructure for the future. #DefendTodaySecureTommorrow #Inauguration
We published an open-sourced log4j-scanner derived from scanners created by other members of the open-source community. This tool is intended to help organizations identify potentially vulnerable web services affected by the log4j vulnerabilities: github.com/cisagov/log4j-
⚠️ There is an imminent and increased cybercrime threat to U.S. hospitals and healthcare providers.
We released an advisory with the & about this #ransomware threat that uses #Trickbot and #Ryuk malware. Here is how to mitigate your risk:
Just released: Joint statement with our partners at , , and on the recent significant cyber incident involving federal government networks: go.usa.gov/xA5Pj
We are closely monitoring the situation in Nashville & are working with FBI and #LawEnforcement partners. While there is no other specific threat currently, IEDs do pose serious risks.
Learn more about actions to protect yourselves & your organizations: cisa.gov/obp
We’ve updated CISA.gov/RumorControl with two new rumors to address ballot retention and voting system testing. Get the latest on our efforts to #Protect2020. #TrustedInfo2020
🚨We released an ESXiArgs ransomware recovery script on GitHub to allow organizations to attempt recovery of virtual machines affected by the ESXiArgs ransomware attacks: github.com/cisagov/ESXiAr #StopRansomware
ICYMI: #CISAgov, , and have formed a Cyber Unified Coordination Group to coordinate a whole-of-government response to the ongoing, significant #cybersecurity incident. Read our joint statement:
Federal civilian agencies must take action on a known compromise involving SolarWinds Orion products that is being exploited by malicious actors: cisa.gov/news/2020/12/1
We recommend all organizations review Emergency Directive 21-01 & take steps to secure their networks.
Did you know that results on election night are unofficial? We encourage all Americans to be patient as we await official results. Election officials are responsible for finalizing and verifying election results.
Learn more: cisa.gov/rumorcontrol#r #TrustedInfo2020 #Protect2020
Check out CISA.gov/RumorControl to find trusted information about the electoral process. We’re keeping it up-to-date as new areas of potential disinformation arise. #TrustedInfo2020 #Protect2020
Did you know? Every state has voting system safeguards to ensure each #ballot cast in the #election can be correctly counted.
Learn more about these safeguards: cisa.gov/rumorcontrol#r #Protect2020 #ElectionSecurity #2020election
We urge all organizations to review the latest current activity alert and upgrade to Log4j version 2.15.0, or apply the appropriate vendor recommended mitigations immediately:
With , , & , we published a joint advisory on APT cyber tools targeting #ICS & #SCADA devices. Critical infrastructure organizations – especially in the energy sector – should review our recommended proactive mitigations and actions: go.usa.gov/xugmR
❗ Alert: Russian state-sponsored cyber actor has targeted dozens of U.S. governments & aviation sector networks. Read our joint advisory with the for recommended mitigation actions: us-cert.cisa.gov/ncas/alerts/aa #NetSec #NetworkSecurity #InfoSec #InformationSecurity
We are aware of the Colonial Pipeline ransomware incident. We are engaged with Colonial and our interagency partners regarding the situation. (1/3)
We’re excited to release the CISA Services Catalog! For the first time ever, we’ve compiled all the services we offer to public & private partners into one resource to make it easier for you to get the help you need. Explore the Catalog today! Learn more: cisa.gov/blog/2020/07/2
Iranian advanced persistent threat actors are responsible for a website called "Enemies of the People," which threatened US #election officials. Read our joint announcement with : fbi.gov/news/pressrel/ #Protect2020 (1/2)
Our Shields Up! page provides a central location for resources and proactive steps to protect your organization. We added guidance for senior leaders & CEOs on how to adopt a heightened security posture: cisa.gov/shields-up 🛡️#ShieldsUp
We just released with a joint advisory concerning cyber attacks against critical infrastructure. We recommend infrastructure owners & operators take immediate action to safeguard their systems: cisa.gov/news/2020/07/2. #ICS #ICSsecurity #InfoSec
President Biden has issued a Proclamation recognizing October 2022 as Cybersecurity Awareness Month: whitehouse.gov/briefing-room/ #CyberMonth #CybersecurityAwarenessMonth
It should be easy to identify governments on the internet. Starting today, .gov domains are available at no cost to qualifying U.S.-based government organizations. Tag your favorite non-.gov using government to let them know!
Learn more: go.usa.gov/xHQP5
Along with the , we attributed Iranian APT actors with creating a website & emails containing death threats to US election officials: fbi.gov/news/pressrel/. Their intent is to create division & mistrust, and to undermine confidence in the electoral process. #Protect2020
Ransomware is increasingly threatening public & private networks, causing data loss, privacy concerns, and billions of dollars spent on recovery. Today we launched a campaign to reduce the risk of #ransomware: cisa.gov/news/2021/01/2
🚨 We are responding to a cyber threat actor that leveraged a third-party compromised Constant Contact account to target more than 7,000 accounts across more than 300 government organizations, IGOs, & NGOs. View our Joint Cybersecurity Advisory with : go.usa.gov/x6CJr
. is committed to making sure that #Midterms2018 are the most secure elections in US history. Find out what we are doing to secure your vote today #ElectionDay.
go.usa.gov/xPphS
With pineapple or without? Which way is the right way to have your pizza? #waronpineapple dhs.gov/sites/default/
Given the rising geopolitical tensions, we created a webpage to help disseminate the latest information to help organizations prepare for potential cyber threats. Take proactive steps today: cisa.gov/shields-up #ShieldsUp
With increased tension with Iran and its proxies, facility and network defenders should consider and assess the possible impacts and threats to their organization. Today’s new CISA Insights has information and precautionary measures for your organization. cisa.gov/insights
We released a new fact sheet to help critical infrastructure owners and personnel identify suspicious behavior and apply basic security measures to enhance personal safety.
View the fact sheet: cisa.gov/publication/pe #CriticalInfrastructure #PersonalSafety #PhysicalSecurity
ICYMI: We directed federal civilian agencies to review their networks for indicators of compromise & disconnect or power down #SolarWindsOrion products immediately. Learn more: cisa.gov/news/2020/12/1
#InfoSecurity #InformationSecurity #InfoSec #Cybersecurity #SolarWinds #NetSec
Our joint advisory with provides technical details on DarkSide ransomware actors and some of their known tactics and preferred targets. Follow our guidance to reduce your risk of ransomware: go.usa.gov/xHASx #Ransomware
A new report from & found no evidence that the 2020 election was manipulated by a foreign government.
The report is clear – the 2020 elections were free and fair.
Thank you to our partners who worked to ensure election security & resilience.
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We assessed the impact of foreign interference during the 2020 elections and found no evidence that a foreign government manipulated any election result. Read our joint release with @TheJusticeDept: dhs.gov/news/2021/03/1
Prevention is the most effective defense against ransomware. Read our joint cybersecurity advisory with on DarkSide ransomware and implement our recommended steps to protect your networks: go.usa.gov/xHASx #Ransomware #Cybersecurity
🚨 We issued Emergency Directive (ED) 22-02 in response to the Apache Log4j vulnerabilities. The ED requires action for federal civilian agencies to mitigate these vulnerabilities. We encourage all organizations to take similar steps: cisa.gov/emergency-dire
Our election security work continues. Along with our federal partners, we will be supporting Georgia in their runoff election tomorrow.
For more information on tomorrow’s election, seek out trusted sources of info: cisa.gov/election-secur #Georgia #Election
Leave that unpaid internship behind! Our paid #internship program is the perfect way to launch your #cyber career. Get your application in by January 6: cisa.gov/cyber-interns. #BecomeaCISAzen #Internships #InfoSecJobs #Cybersecurity #CyberStudents #NowHiring
It’s our birthday! #CISAgov was established on November 16, 2018. From elections to COVID-19 to natural disasters and more, year two has been action-packed. Let’s take a trip down memory lane…
We issued an advisory with to help combat the WhisperGate and HermeticWiper malware which are being used to target organizations in Ukraine. Learn more about these threats and how to mitigate your risk: go.usa.gov/xzCGN #ShieldsUp
StopRansomware.gov is the new one-stop location for resources to tackle ransomware more effectively.
It takes a group effort to #StopRansomware. View the whole-of-government effort to help individuals and organizations curb the rise of ransomware: StopRansomware.gov
Read our joint statement with the about Iranian #APT actors identified obtaining voter registration data. #Protect2020 #ElectionSecurity #InfoSec #Cybersecurity
#ElectionDay is tomorrow, and #disinformation & #misinformation are on the rise. Verify your sources. Malicious actors use fake personas & impersonate real accounts to trick the public into believing disinformation. Learn more: cisa.gov/rumorcontrol#r #ElectionSecurity #Nov3rd
It’s our birthday! Today marks the one-year anniversary of the Cybersecurity and Infrastructure Security Agency (CISA). Thank you to our entire CISA workforce, and our federal, state, local and private sector partners who have contributed to making year one a great one!
We compiled a list of free cybersecurity services and tools to help organizations reduce cybersecurity risk and strengthen resiliency. We’ll continue to add new resources to this list: go.usa.gov/xtu7b
We urge critical infrastructure owners and operators to adopt a heightened state of awareness for DarkSide ransomware. Our joint advisory with on DarkSide includes several recommendations to prevent business disruption from a #ransomware attack: go.usa.gov/xHASx
Bad actors cannot change election results without detection. Every state has robust safeguards to ensure accurate #election results.
Here’s how we ensure a fair & accurate election: cisa.gov/rumorcontrol#r #Protect2020 #Election2020 #ElectionSecurity #ElectionResults
CURRENT ACTIVIY: On October 24, 2021, Network Time Protocol servers using bugged GPSD versions 3.20-3.22 may rollback the date 1,024 weeks—to March 2002—which may cause systems and services to become unavailable or unresponsive. Learn more: bit.ly/30IR0s1
Read our statement, jointly released with and , on the significant, ongoing cybersecurity campaign that has affected networks within the federal government: cisa.gov/news/2020/12/1.
#Cyber #InfoSec #Cybersecurity #InfoSecurity #NetworkSecurity #InformationSecurity
🚨 Today, in partnership with industry & international partners, we issued a Joint Cybersecurity Advisory in response to #Log4j vulnerabilities. The advisory provides guidance to critical infrastructure, businesses, & governments to mitigate ongoing risk: go.usa.gov/xeuaf
Under the DOTGOV Act of 2020, the .gov top-level domain is moving to CISA. We’ll increase security and decrease complexity, especially for state and local governments.
Learn more: go.usa.gov/xsmMQ
Malicious cyber actors are exploiting legacy vulnerabilities against SLTT, Critical Infrastructure, and Elections Organizations. Read our joint advisory with the for technical details and recommended actions: us-cert.cisa.gov/ncas/current-a #InfoSec #InfoSecurity #Protect2020
🥳🎂 It’s our 3rd birthday! Thank you to our partners who have helped us along this journey. We look forward to seeing what we can accomplish together in the next year! #CISAgov
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False claims of hacked voter information are likely to cast doubt on the legitimacy of the election. Read the public service announcement we jointly issued with the : cisa.gov/publication/fa #Protect2020
Check out our interactive, on-demand set of six incident response training modules on ransomware prevention on FedVTE! Log in to learn six preventative controls to help #StopRansomware: fedvte.usalearning.gov
“Our new motto is defend today, secure tomorrow because we have to be able to do both...we have to have people that are thinking about a more secure and safe tomorrow.” -
Today, we issued a joint public service announcement with the regarding false claims of hacked voter registration info: cisa.gov/publication/fa. Malicious actors spread disinformation online to undermine the integrity of our electoral process. #Protect2020 #TrustedInfo2020
Iranian APT actors are responsible for developing a website and sending threatening emails aimed at US #election officials. Read the joint #CISAgov- announcement: fbi.gov/news/pressrel/ #Protect2020 #Election2020
New advisory concerning critical vulnerability in Fortinet: us-cert.cisa.gov/ncas/current-a. We recommend users and administrators apply necessary updates immediately. #InfoSecurity #InformationSecurity #NetSec #NetworkSecurity
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Immediately update Fortinet to mitigate a critical vulnerability. go.usa.gov/x7Apk #Cyber #Cybersecurity #InfoSec
We’re working closely with our public and private sector partners to address a critical vulnerability affecting the Apache log4j #software library. This vulnerability is being widely exploited by threat actors and presents an urgent challenge to patch: go.usa.gov/xeHB2
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🎂 Guess what? We are 4 years old today!
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Happy 4th Birthday to @CISAgov! I couldn’t be more proud to be part of such an amazing team of dedicated professionals working with equally amazing partners across our nation to protect the infrastructure Americans rely on every day. #BestJobEver #AmericasCyberDefenseAgency
We urge state & local governments, critical infrastructure entities, and private organizations to review our updated V3 supplemental guidance to Emergency Directive 21-01 about the #SolarWinds Orion compromise: cyber.dhs.gov/ed/21-01/#supp
We’re glad to be back. We’re focused on getting employees paid ASAP & reenergizing partnerships & priorities – like our election security work, pipeline security assessments, supply chain task force, soft target security engagement & helping organizations counter Chinese hacking.
We're searching for top talent to join our team. We know the federal hiring process can be confusing and we’re here to help. If you have questions about how to apply for a job at #CISAgov, check out our new FAQs: cisa.gov/hiringfaqs #BecomeaCISAzen #NowHiring
With U.S. & international partners, we released a joint cybersecurity advisory on Snake malware, which is considered the most sophisticated cyber espionage tool designed and used by #Russia’s Federal Security Service. Here’s how to protect your networks: go.dhs.gov/4mc
We encourage all organizations to take immediate steps to defend against potential cyber threats. This includes implementing cybersecurity best practices, increasing vigilance, and preparing your organization for a rapid response. Learn more: go.usa.gov/xtB9p
We just released an Emergency Directive concerning a critical vulnerability affecting Microsoft Windows servers: cisa.gov/blog/2020/09/1. This directive instructs Federal Civilian Executive Branch agencies to take action on this vulnerability. #InfoSec #InfoSecurity 1/2
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💼 Start 2021 on the right foot --> Our team is looking for top #cyber and #infosec talent from entry level positions to multiple senior leadership roles.
Learn more: cisa.gov/careers #Nowhiring #BecomeaCISAzen
⚠️ Activity Alert: An update on the APT compromise of government agencies, critical infrastructure, & private sector organizations: us-cert.cisa.gov/ncas/alerts/aa
This alert includes new info on access vectors, mitigation recommendations, & indicators of compromise. #APT #Cybersecurity
🚨 New: We issued V3 supplemental guidance to Emergency Directive 21-01: cyber.dhs.gov/ed/21-01/#supp
V3 includes an update on affected versions, guidance on the SolarWinds Orion platform, more clarity on required actions, & guidance for agencies using third-party service providers.
#Election fact: Intimidation or threatening behavior is never permissible. Voters are protected by state & federal law from threats or intimidation at the polls, including from election observers. ✔️
Learn more: cisa.gov/rumorcontrol#r #Protect2020 #Election2020 #ElectionDay
From physical attacks such as active shooter incidents, arsons, or bombings to less visible #cyberattacks, a #HouseOfWorship should be vigilant in its #security practices. We released a new guide to help: cisa.gov/publication/mi #HousesOfWorship #PhysicalSecurity #InfoSecurity
🛡 Shields Up! Russian state-sponsored actors have exploited default Multi-Factor Authentication (MFA) protocols. Make sure your MFA protocols are configured properly! Read our latest advisory w/ to defend your networks against this attack: go.usa.gov/xz5dc
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ANNOUNCEMENT: Today we launched CISA Central, your one stop for cyber, communications, and physical infrastructure information and situational awareness monitoring. Learn more: cisa.gov/central and reach us at central@cisa.gov.
We have more info about the Russian Foreign Intelligence Service’s malicious cyber tools, targets, techniques, & capabilities. Review our joint Cybersecurity Advisory w/ & to implement defense & monitoring techniques outlined in the advisory: go.usa.gov/xHRM8
Did you know? Variations in #vote totals for different contests on the same #ballot occur in every #election. These variations don’t by themselves indicate fraud or issues with #voting technology. Learn more: cisa.gov/rumorcontrol#r
#Protect2020 #TrustedInfo2020 #Election2020
❄️ Wishing you and your family a safe, happy holiday!
Today, we honor those who have given their lives to defend our nation. In remembrance, we wish you a heartfelt and safe Memorial Day.
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As Georgia election officials are working on today’s runoff election, it’s important to remember that multiple safeguards are in place to protect the integrity of your vote. Learn more: cisa.gov/election-secur #GeorgiaElection #ElectionSecurity
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Their intent is to create divisions & mistrust in the United States, and to undermine public confidence in the US electoral process. We urge you to critically evaluate sources of the information you consume and to seek out reliable and verified information. #TrustedInfo2020 (2/2)
🚨 We have a credible report of an imminent #cyber threat to the #healthcare industry: go.usa.gov/x7jKz
Some facilities have already been infected with ransomware over the last week. Here’s what we know. (1/4)
#CyberSmart organizations don’t just invest in #cybersecurity tools & technology—they also invest in their people! We just released the 2nd installment of our #CyberEssentials Toolkit to help leaders enhance their employees’ cyber vigilance: cisa.gov/publication/cy #InfoSec
🚨 New: We issued Emergency Directive 21-02: go.usa.gov/xsnpV
We have observed active exploitation of vulnerabilities in Microsoft Exchange on-premises products. Federal civilian agencies are required to take emergency action to update or disconnect these products. (1/2)
It’s an exciting time in #cybersecurity, and an exciting time to join . Find out more about career opportunities at dhs.gov/homeland-secur
🚨 We issued Emergency Directive 21-03 in response to known Pulse Connect Secure vulnerabilities. Federal departments & agencies must run the Pulse Connect Secure Integrity Tool to determine whether any PCS files have been maliciously modified or added: cisa.gov/news/2021/04/2
We became aware on Monday of the intrusion affecting JBS & immediately began working w/ to understand the intrusion & offer assistance. As this & other recent incidents demonstrate, the threat of ransomware continues to be severe. (1/3)
Don’t get mad. Disinformation is often designed to make us emotional and bypass our critical thinking. See what other people are saying about an issue as you consider sharing. Learn more at cisa.gov/mdm #TrustedInfo
Today is the start of Cybersecurity Awareness Month! Check out our webpage for info, tools, and resources: CISA.gov/cybersecurity- #CyberMonth #CybersecurityAwarenessMonth
