Tag Archives: news

Healthcare cybersecurity in the time of coronavirus

Brno University Hospital, in Brno, Czech Republic, which is one of the country’s Covid-19 testing centers, has recently been hit by a cyberattack. The nature of the attack has yet to be shared, but looks like it might be ransomware. The result? Some surgeries have been postponed and some patients redirected to nearby hospitals. On Sunday, the US Health and Human Services Department was hit by a distributed denial of service (DDoS) attack that, luckily, … More ? The post Healthcare cybersecurity in the time of coronavirus appeared first on Help Net Security .

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Healthcare cybersecurity in the time of coronavirus

Hackers are getting hacked via trojanized hacking tools

Someone has been trojanizing a wide variety of hacking tools to compromise the machines of hackers who want to use the tools for free, Cybereason researcher Amit Serper has revealed. “We have found a widespread hacking campaign that uses the njRat trojan to hijack the victim’s machine, giving the threat actors complete access that can be used for anything from conducting DDoS attacks to stealing sensitive data,” he shared. About the trojanized hacking tools The … More ? The post Hackers are getting hacked via trojanized hacking tools appeared first on Help Net Security .

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Hackers are getting hacked via trojanized hacking tools

Ransomware getting more fearsome, but there’s reason for optimism

Cybercriminals continued a barrage of attacks in 2019, spurred on by botnets of infected IoT devices and by attacker interest in the Eternal Blue vulnerability. A report from F-Secure documents a steep increase in attack traffic in 2019 that was unmatched by previous years. There have been 2.8 billion attack events in the second half of the year. After 2.9 billion in the first half of the year, the yearly total rings in at 5.7 … More ? The post Ransomware getting more fearsome, but there’s reason for optimism appeared first on Help Net Security .

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Ransomware getting more fearsome, but there’s reason for optimism

8.4 million: Number of DDoS attacks researchers saw last year alone

Netscout released the findings of its Threat Intelligence Report for the second half of 2019, which also incorporates insights from its 15th Annual Worldwide Infrastructure Security Report (WISR) survey. The report underscores the proliferation of risks faced by global enterprises and service providers. These organizations must now not only defend IT infrastructures, but also manage risks caused by increased DDoS attacks on customer-facing services and applications, mobile networks, and unsecured IoT devices. “We’ve uncovered some … More ? The post 8.4 million: Number of DDoS attacks researchers saw last year alone appeared first on Help Net Security .

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8.4 million: Number of DDoS attacks researchers saw last year alone

Week in review: The data skills gap, new Kali Linux release, Apache Solr RCEs with public PoCs

Here’s an overview of some of last week’s most interesting news and articles: The overlooked part of an infosec strategy: Cyber insurance underwriting When a data breach or cyber attack hits the headlines one of the last things businesses are likely to consider is how cyber insurance could helped. Free download: Botnet and IoT Security Guide 2020 The Council to Secure the Digital Economy (CSDE), a partnership between global technology, communications, and internet companies supported … More ? The post Week in review: The data skills gap, new Kali Linux release, Apache Solr RCEs with public PoCs appeared first on Help Net Security .

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Week in review: The data skills gap, new Kali Linux release, Apache Solr RCEs with public PoCs

Attackers increasingly embrace small-scale DDoS attacks to evade detection

The growth in both large- and small-scale DDoS attacks continues its upward trajectory, according to a report released by Neustar. The report reveals that the total number of DDoS attacks was up 241% in the third quarter of 2019, compared to the same period last year. The report also confirmed the continued increase in small-scale attacks and the use of multiple threat vectors, as new vectors continue to expand the attack surface that organizations must … More ? The post Attackers increasingly embrace small-scale DDoS attacks to evade detection appeared first on Help Net Security .

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Attackers increasingly embrace small-scale DDoS attacks to evade detection

Speeding MTTR when a third-party cloud service is attacked

We all know you can’t stop every malicious attack. Even more troublesome is when an externally sourced element in the cloud – engaged as part of your infrastructure – is hit and it impacts customers using your digital service. That’s what happened on October 22 when a DDoS attack on the AWS Route 53 DNS service made its S3 storage service unavailable or slow loading to thousands of organizations. We had an early view of … More ? The post Speeding MTTR when a third-party cloud service is attacked appeared first on Help Net Security .

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Speeding MTTR when a third-party cloud service is attacked

Cisco closes high-impact vulnerabilities in its security offerings

Cisco has fixed 18 high-impact vulnerabilities affecting several of its security offerings and is advising administrators to test and implement the offered security updates as soon as possible. “Successful exploitation of the vulnerabilities could allow an attacker to gain unauthorized access, gain elevated privileges, execute arbitrary commands, or cause a denial of service (DoS) condition on an affected device,” the company said. About the vulnerabilities The vulnerabilities affect Cisco ASA (Adaptive Security Appliance) Software, Cisco … More ? The post Cisco closes high-impact vulnerabilities in its security offerings appeared first on Help Net Security .

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Cisco closes high-impact vulnerabilities in its security offerings

Guess what? You should patch Exim again!

Hot on the heels of a patch for a critical RCE Exim flaw comes another one that fixes a denial of service (DoS) condition (CVE-2019-16928) that could also be exploited by attackers to pull off remote code execution. With no mitigations available at this time, Exim maintainers urge admins to upgrade to version 4.92.3, which has been released on Sunday. About Exim and the flaw (CVE-2019-16928) According to E-Soft, Exim is the most widely used … More ? The post Guess what? You should patch Exim again! appeared first on Help Net Security .

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Guess what? You should patch Exim again!

The changing face of DDoS attacks: Degraded performance instead of total takedown

The number of DDoS attacks might be getting higher, but they are not all massive nor do they always trigger DDoS defenses. In fact, small-scale DDoS attacks are becoming more frequent and sophisticated, according to new research from Neustar’s SOC. According to the company’s Q2 2019 Cyber Threats and Trends report, between April and June of this year, over 75 percent of all attacks mitigated by Neustar were 5 Gbps or less, while large attacks … More ? The post The changing face of DDoS attacks: Degraded performance instead of total takedown appeared first on Help Net Security .

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The changing face of DDoS attacks: Degraded performance instead of total takedown