Found 13 bookmarks
Custom sorting
Understanding and Responding to Distributed Denial-Of-Service Attacks
Understanding and Responding to Distributed Denial-Of-Service Attacks
This joint guide, Understanding and Responding to Distributed Denial-Of-Service Attacks, addresses the specific needs and challenges faced by organizations in defending against DDoS attacks. The guidance now includes detailed insight into three different types of DDoS techniques: Volumetric, attacks aiming to consume available bandwidth. Protocol, attacks which exploit vulnerabilities in network protocols. * Application, attacks targeting vulnerabilities in specific applications or running services.
#CISA#EN#2024#DDoS#guidance#US#Denial-Of-Service#Attacks
·cisa.gov·
Understanding and Responding to Distributed Denial-Of-Service Attacks
Phobos Ransomware Aggressively Targeting U.S. Critical Infrastructure
Phobos Ransomware Aggressively Targeting U.S. Critical Infrastructure
U.S. cybersecurity and intelligence agencies have warned of Phobos ransomware attacks targeting government and critical infrastructure entities, outlining the various tactics and techniques the threat actors have adopted to deploy the file-encrypting malware. "Structured as a ransomware-as-a-service (RaaS) model, Phobos ransomware actors have targeted entities including municipal and county governments, emergency services, education, public healthcare, and critical infrastructure to successfully ransom several million in U.S. dollars," the government said.
#thehackernews#EN#2024#Phobos#Ransomware#CISA#US#Critical-infrastructure
·thehackernews.com·
Phobos Ransomware Aggressively Targeting U.S. Critical Infrastructure
Russian FSB Cyber Actor Star Blizzard Continues Worldwide Spear-phishing Campaigns | CISA
Russian FSB Cyber Actor Star Blizzard Continues Worldwide Spear-phishing Campaigns | CISA
The Russia-based actor Star Blizzard (formerly known as SEABORGIUM, also known as Callisto Group/TA446/COLDRIVER/TAG-53/BlueCharlie) continues to successfully use spear-phishing attacks against targeted organizations and individuals in the UK, and other geographical areas of interest, for information-gathering activity. The UK National Cyber Security Centre (NCSC), the US Cybersecurity and Infrastructure Security Agency (CISA), the US Federal Bureau of Investigation (FBI), the US National Security Agency (NSA), the US Cyber National Mission Force (CNMF), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the Canadian Centre for Cyber Security (CCCS), and the New Zealand National Cyber Security Centre (NCSC-NZ) assess that Star Blizzard is almost certainly subordinate to the Russian Federal Security Service (FSB) Centre 18.
#cisa#EN#2023#US#Russia#FSB#Star-Blizzard#SEABORGIUM#spear-phishing#attacks#UK
·cisa.gov·
Russian FSB Cyber Actor Star Blizzard Continues Worldwide Spear-phishing Campaigns | CISA
IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors, Including U.S. Water and Wastewater Systems Facilities
IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors, Including U.S. Water and Wastewater Systems Facilities
The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Environmental Protection Agency (EPA), and the Israel National Cyber Directorate (INCD)—hereafter referred to as "the authoring agencies"—are disseminating this joint Cybersecurity Advisory (CSA) to highlight continued malicious cyber activity against operational technology devices by Iranian Government Islamic Revolutionary Guard Corps (IRGC)-affiliated Advanced Persistent Threat (APT) cyber actors.
#cisa#US#EN#2023#FBI#IRGC#Iran#PLC#CyberAv3ngers#Advisory#Critical-infrastructure
·cisa.gov·
IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors, Including U.S. Water and Wastewater Systems Facilities
CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks | CISA
CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks | CISA
Today, CISA released a Cybersecurity Advisory, CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks. This advisory describes a red team assessment of a large critical infrastructure organization with a mature cyber posture. CISA is releasing this Cybersecurity Advisory (CSA) detailing the red team’s tactics, techniques, and procedures (TTPs) and key findings to provide network defenders proactive steps to reduce the threat of similar activity from malicious cyber actors.
#cisa#US#2023#Advisory#Improve#Monitoring#Hardening
·cisa.gov·
CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks | CISA
Iranian State Actors Conduct Cyber Operations Against the Government of Albania
Iranian State Actors Conduct Cyber Operations Against the Government of Albania
The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) are releasing this joint Cybersecurity Advisory to provide information on recent cyber operations against the Government of Albania in July and September. This advisory provides a timeline of activity observed, from initial access to execution of encryption and wiper attacks. Additional information concerning files used by the actors during their exploitation of and cyber attack against the victim organization is provided in Appendices A and B.
#cisa#EN#2022#uscert#csirt#cert#US#Iran#Albania#attribution#IoCs#FBI
·cisa.gov·
Iranian State Actors Conduct Cyber Operations Against the Government of Albania
CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks | CISA
CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks | CISA
Today, CISA released a Cybersecurity Advisory, CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks. This advisory describes a red team assessment of a large critical infrastructure organization with a mature cyber posture. CISA is releasing this Cybersecurity Advisory (CSA) detailing the red team’s tactics, techniques, and procedures (TTPs) and key findings to provide network defenders proactive steps to reduce the threat of similar activity from malicious cyber actors.
#cisa#US#2023#Advisory#Improve#Monitoring#Hardening
·cisa.gov·
CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks | CISA
Iranian State Actors Conduct Cyber Operations Against the Government of Albania
Iranian State Actors Conduct Cyber Operations Against the Government of Albania
The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) are releasing this joint Cybersecurity Advisory to provide information on recent cyber operations against the Government of Albania in July and September. This advisory provides a timeline of activity observed, from initial access to execution of encryption and wiper attacks. Additional information concerning files used by the actors during their exploitation of and cyber attack against the victim organization is provided in Appendices A and B.
#cisa#EN#2022#uscert#csirt#cert#US#Iran#Albania#attribution#IoCs#FBI
·cisa.gov·
Iranian State Actors Conduct Cyber Operations Against the Government of Albania