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Star Blizzard increases sophistication and evasion in ongoing attacks
Star Blizzard increases sophistication and evasion in ongoing attacks
Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard, who has improved their detection evasion capabilities since 2022 while remaining focused on email credential theft against targets.
·microsoft.com·
Star Blizzard increases sophistication and evasion in ongoing attacks
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.gov·
Russian FSB Cyber Actor Star Blizzard Continues Worldwide Spear-phishing Campaigns | CISA
2023’s ransomware rookies are a remix of Conti and other classics
2023’s ransomware rookies are a remix of Conti and other classics
Ransomware’s business model is a big part of what’s made it such a potent threat for so many years. However, we dug into multi-point ransomware attacks from 2023, and found another factor in ransomware’s staying power: a seemingly endless supply of new cyber crime groups starting ransomware operations.
·withsecure.com·
2023’s ransomware rookies are a remix of Conti and other classics
Microsoft says early June disruptions to Outlook, cloud platform, were cyberattacks
Microsoft says early June disruptions to Outlook, cloud platform, were cyberattacks
Microsoft says the early June disruptions to its Microsoft’s flagship office suite — including the Outlook email apps — were denial-of-service attacks by a shadowy new hacktivist group. In a blog post published Friday evening after The Associated Press sought clarification on the sporadic but serious outages, Microsoft confirmed that that they were DDoS attacks by a group calling itself Anonymous Sudan, which some security researchers believe is Russia-affiliated. The software giant offered few details on the attack. It did not comment on how many customers were affected.
·apnews.com·
Microsoft says early June disruptions to Outlook, cloud platform, were cyberattacks
Cyber Attacks on Data Center Organizations
Cyber Attacks on Data Center Organizations
Resecurity notified several data center organizations about malicious cyber activity targeting them and their customers. The initial early-warning threat notification about this activity was sent around September 2021 with further updates during 2022 and January, 2023. Recent cyber-attacks on cloud service providers (CSPs) and managed services providers (MSPs) saw bad actors attempt to leverage a weakness in their cybersecurity supply chain with the goal of stealing sensitive data from their target enterprises and government organizations. Data centers are meaningful targets for attackers and an important element of the enterprise supply chain.
·resecurity.com·
Cyber Attacks on Data Center Organizations
Three Lessons from Threema: Analysis of a Secure Messenger
Three Lessons from Threema: Analysis of a Secure Messenger
Threema is a Swiss encrypted messaging application. It has more than 10 million users and more than 7000 on-premise customers. Prominent users of Threema include the Swiss Government and the Swiss Army, as well as the current Chancellor of Germany, Olaf Scholz. Threema has been widely advertised as a secure alternative to other messengers. In our work, we present seven attacks against the cryptographic protocols used by Threema, in three distinct threat models. All the attacks are accompanied by proof-of-concept implementations that demonstrate their feasibility in practice.
·breakingthe3ma.app·
Three Lessons from Threema: Analysis of a Secure Messenger
Russian cyberattacks - Special Services - Gov.pl website
Russian cyberattacks - Special Services - Gov.pl website
With the ongoing war in Ukraine, in the Polish cyberspace, there are more and more occurrences classified as computer incidents, including attacks perpetrated by Russian hackers. This is a response of the Russian Federation to the Poland’s support provided to Ukraine and an attempt to destabilise the situation in our country.
·gov.pl·
Russian cyberattacks - Special Services - Gov.pl website
Over 18.8 million IPs vulnerable to Middlebox TCP reflection DDoS attacks
Over 18.8 million IPs vulnerable to Middlebox TCP reflection DDoS attacks
We recently began scanning for middlebox devices that are vulnerable to Middlebox TCP reflection, which can be abused for DDoS amplification attacks.  Our results are now shared daily, filtered for your network or constituency in the new Vulnerable DDoS Middlebox report. We uncover over 18,800,000 IPv4 addresses responding to our Middlebox probes. In some cases the amplification rates can exceed 10,000!
·shadowserver.org·
Over 18.8 million IPs vulnerable to Middlebox TCP reflection DDoS attacks
Cyber Attacks on Data Center Organizations
Cyber Attacks on Data Center Organizations
Resecurity notified several data center organizations about malicious cyber activity targeting them and their customers. The initial early-warning threat notification about this activity was sent around September 2021 with further updates during 2022 and January, 2023. Recent cyber-attacks on cloud service providers (CSPs) and managed services providers (MSPs) saw bad actors attempt to leverage a weakness in their cybersecurity supply chain with the goal of stealing sensitive data from their target enterprises and government organizations. Data centers are meaningful targets for attackers and an important element of the enterprise supply chain.
·resecurity.com·
Cyber Attacks on Data Center Organizations
Three Lessons from Threema: Analysis of a Secure Messenger
Three Lessons from Threema: Analysis of a Secure Messenger
Threema is a Swiss encrypted messaging application. It has more than 10 million users and more than 7000 on-premise customers. Prominent users of Threema include the Swiss Government and the Swiss Army, as well as the current Chancellor of Germany, Olaf Scholz. Threema has been widely advertised as a secure alternative to other messengers. In our work, we present seven attacks against the cryptographic protocols used by Threema, in three distinct threat models. All the attacks are accompanied by proof-of-concept implementations that demonstrate their feasibility in practice.
·breakingthe3ma.app·
Three Lessons from Threema: Analysis of a Secure Messenger