Tag Archives: appeared-first

Qakbot botnet disrupted, malware removed from 700,000+ victim computers

The Qakbot botnet has been crippled by the US Department of Justice (DOJ): 52 of its servers have been seized and the popular malware loader has been removed from over 700,000 victim computers around the world. “To disrupt the botnet, the FBI was able to redirect Qakbot botnet traffic to and through servers controlled by the FBI, which in turn instructed infected computers in the United States and elsewhere to download a file created by … More ? The post Qakbot botnet disrupted, malware removed from 700,000+ victim computers appeared first on Help Net Security .

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Qakbot botnet disrupted, malware removed from 700,000+ victim computers

Bogus OfficeNote app delivers XLoader macOS malware

A new macOS-specific variant of the well known XLoader malware is being delivered disguised as the “OfficeNote” app. “Multiple submissions of this sample have appeared on VirusTotal throughout July, indicating that the malware has been widely distributed in the wild,” SentinelOne researchers said. The new XLoader macOS malware variant XLoader is a malware-as-a-service infostealer and botnet that has been active since 2015, but first appeared as a macOS variant in 2021, written in Java. “The … More ? The post Bogus OfficeNote app delivers XLoader macOS malware appeared first on Help Net Security .

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Bogus OfficeNote app delivers XLoader macOS malware

Attackers intensify DDoS attacks with new tactics

As we entered 2023, the cybersecurity landscape witnessed an increase in sophisticated, high-volume attacks, according to Gcore. The maximum attack power rose from 600 to 800 Gbps. UDP flood attacks were most common and amounted to 52% of total attacks, while SYN flood accounted for 24%. In third place was TCP flood. The most-attacked business sectors are gaming, telecom, and financial. The longest attack duration in Q2/Q3 was seven days, 16 hours, and 22 minutes. … More ? The post Attackers intensify DDoS attacks with new tactics appeared first on Help Net Security .

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Attackers intensify DDoS attacks with new tactics

NETSCOUT enhances its AED with ML-based Adaptive DDoS Protection

NETSCOUT SYSTEMS has released its latest version of Arbor Edge Defense (AED) which includes new ML-based Adaptive DDoS Protection. According to NETSCOUT’s latest DDoS Threat Intelligence Report, there has been a significant increase in a new breed of dynamic DDoS attacks that use multiple vectors and techniques to launch botnet-based, direct-path, state exhaustion, and application-layer attacks designed to evade conventional static network and cloud-only-based DDoS defense. Every enterprise is at grave risk today if they … More ? The post NETSCOUT enhances its AED with ML-based Adaptive DDoS Protection appeared first on Help Net Security .

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NETSCOUT enhances its AED with ML-based Adaptive DDoS Protection

Global rise in DDoS attacks threatens digital infrastructure

In 2022, the total number of DDoS attacks worldwide increased by 115.1% over the amount observed in 2021, according to Nexusguard. The data also showed that cyber attackers continued to alter their threat vectors by targeting the application platforms, online databases, and cloud-based storage systems within ISPs. This resulted in a significantly greater impact globally as organizations continue to move more of their workloads to the cloud. Number of DDoS attacks worldwide While the overall … More ? The post Global rise in DDoS attacks threatens digital infrastructure appeared first on Help Net Security .

Microsoft confirms DDoS attacks against M365, Azure Portal

The Microsoft 365 and Azure Portal outages users expirienced this month were caused by Layer 7 DDoS attacks, Microsoft has confirmed on Friday. The DDoS attacks against Microsoft 365 and Azure Portal Throughout the first half June 2023 Microsoft confirmed, at various times, ongoing issues with its cloud-based services – Microsoft 365 (including Outlook on the web and OneDrive) and Azure Portal – but did not say at the time that they were caused by … More ? The post Microsoft confirms DDoS attacks against M365, Azure Portal appeared first on Help Net Security .

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Microsoft confirms DDoS attacks against M365, Azure Portal

Switzerland under cyberattack

Swiss government websites are under DDoS attacks, but several ransomware gangs have also turned their sights on Swiss government organizations, cantonal governments, cities and companies in the last few months. Government sites under DDoS attacks “Several Federal Administration websites are/were inaccessible on Monday 12 June 2023, due to a DDoS attack on its systems,” the Swiss National Cyber Security Centre (NCSC) said on Monday. “The Swiss government’s portal www.admin.ch remains accessible.” But the attackers did … More ? The post Switzerland under cyberattack appeared first on Help Net Security .

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Switzerland under cyberattack

Zyxel firewalls under attack by Mirai-like botnet

CVE-2023-28771, the critical command injection vulnerability affecting many Zyxel firewalls, is being actively exploited by a Mirai-like botnet, and has been added to CISA’s Known Exploited Vulnerabilities (KEV) catalog. About CVE-2023-28771 CVE-2023-28771 is a vulnerability that allows unauthenticated attackers to execute OS commands remotely by sending crafted IKE (Internet Key Exchange) packets to an affected device. Fixed by Zyxel in April 2023, it was expected to be quickly exploited by attackers once technical write-ups and … More ? The post Zyxel firewalls under attack by Mirai-like botnet appeared first on Help Net Security .

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Zyxel firewalls under attack by Mirai-like botnet

New infosec products of the week: May 26, 2023

Here’s a look at the most interesting products from the past week, featuring releases from Axiado, Delinea, Netscout, Radware, and Veriff. Delinea Cloud Suite updates reduce the risk of lateral movement in cybersecurity breaches Delinea Cloud Suite updates include more granular support for just-in-time (JIT) and just-enough privilege access automation, and improved identity assurance through enforced human interaction when prompted for multi-factor authentication (MFA) at server log-in or privilege elevation. Radware Cloud Web DDoS Protection … More ? The post New infosec products of the week: May 26, 2023 appeared first on Help Net Security .

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New infosec products of the week: May 26, 2023

Europe: The DDoS battlefield

DDoS attacks appear to reflect major geo-political challenges and social tensions and have become an increasingly significant part in the hybrid warfare arsenal, according to Arelion. As the Ukrainian authorities sought a safe harbour for digital state registries and databases, Arelion saw the distribution of attacks move away from active conflict areas into global cloud centres – both as a result of damage to local network infrastructure, but also as local databases and applications were … More ? The post Europe: The DDoS battlefield appeared first on Help Net Security .

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Europe: The DDoS battlefield