- Out of the Sandbox: WikiLoader Digs Sophisticated Evasion
July 31, 2023
Proofpoint researchers identified a new malware we call WikiLoader. It was first identified in December 2022 being delivered by TA544, an actor that typically uses Ursnif malware to target Italian organizations. Proofpoint observed multiple subsequent campaigns, the majority of which targeted Italian organizations. WikiLoader is a sophisticated downloader with the objective of installing a second malware ...
- Malawi: Macra Warns Public to Be On High Alert Against Heightened Cyber Attacks in Comesa Region
July 30, 2023
Malawi Computer Response Team (mwCERT) of the Malawi Communications Regulatory Authority (MACRA) announces of recent cyber-attacks that have targeted several countries in the COMESA region, resulting in severe disruptions to critical information infrastructure, across various sectors. In a statement, MACRA Director General, Daud Suleman says “these online attacks have the potential to affect anyone due to ...
- Kenya reports cyber attacks causing government system outages
July 28, 2023
Cyber attackers targeted a digital platform used by Kenya’s government to deliver services, the country’s technology minister said, highlighting the vulnerabilities of the system. The attack on the e-Citizen platform in recent days caused system outages that left users unable to access a broad range of government services, ranging from passport applications to electricity payments. Some ...
- Anomaly detection in certificate-based TGT requests
July 28, 2023
One of the most complex yet effective methods of gaining unauthorized access to corporate network resources is an attack using forged certificates. Attackers create such certificates to fool the Key Distribution Center (KDC) into granting access to the target company’s network. An example of such an attack is the Shadow Credentials technique, which lets an attacker ...
- California: City of Hayward says computer network restored 2 weeks after cyberattack discovered
July 27, 2023
Officials in the city of Hayward announced that the city’s internal computer network has been restored following a ransomware attack that took systems down earlier this month. In a statement Thursday, city officials said the network was brought back on Tuesday, more than two weeks after the cyberattack was first discovered. “The restored network ties together ...
- CISA and Partners Release Joint Cybersecurity Advisory on Preventing Web Application Access Control Abuse
July 27, 2023
The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC), the Cybersecurity and Infrastructure Security Agency (CISA), and the National Security Agency (NSA) are releasing a joint Cybersecurity Advisory (CSA), Preventing Web Application Access Control Abuse, to warn vendors, designers, developers, and end-user organizations of web applications about insecure direct object reference (IDOR) vulnerabilities. These vulnerabilities are ...
- A Tale of Two Cities’ water attacks
July 27, 2023
There have been more than 130 control system cyber incidents in water/wastewater utilities. Like Oldsmar and Discovery Bay, most of these incidents have occurred in small water utilities. Many of these incidents were not publicly disclosed, nor were the utilities required to disclose these incidents. Additionally, some of the real cases that were made public were ...
- Uncovering an Iranian mobile malware campaign
July 27, 2023
During a recent proactive hunt for malicious mobile malware, Sophos X-Ops researchers from SophosLabs discovered a group of four credential-harvesting apps targeting customers of several Iranian banks. Most of the apps are signed using the same – possibly stolen – certificate, and share various classes and strings. The apps target the following banks: Bank Mellat Bank Saderat Resalat ...
- Understanding Machine Learning Attacks, Techniques, and Defenses
July 26, 2023
Machine learning (ML) is a subset of Artificial Intelligence (AI), which enables machines and software to automatically learn from historical data to generate accurate output without being programmed to do so. Many leading organizations today have incorporated machine learning into their daily processes for business intelligence. But the ability of machine learning can be altered by ...
- TSA updates, renews cybersecurity requirements for pipeline owners, operators
July 26, 2023
The Transportation Security Administration (TSA) announced an update to its Security Directive regarding oil and natural gas pipeline cybersecurity. This revised directive will continue the effort to reinforce cybersecurity preparedness and resilience for the nation’s critical pipelines. Developed with input from industry stakeholders and federal partners, including the Cybersecurity and Infrastructure Security Agency (CISA) and the ...