Monthly Archives: March 2020

Across-the-board increase in DDoS attacks of all sizes

There has been a 168% increase in DDoS attacks in Q4 2019, compared with Q4 2018, and a 180% increase overall in 2019 vs. 2018, according to Neustar. The company saw DDoS attacks across all size categories increase in 2019, with attacks sized 5 Gbps and below seeing the largest growth. These small-scale attacks made up more than three quarters of all attacks the company mitigated on behalf of its customers in 2019. DDoS attacks … More ? The post Across-the-board increase in DDoS attacks of all sizes appeared first on Help Net Security .

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Across-the-board increase in DDoS attacks of all sizes

Zyxel NAS, firewalls and LILIN DVRs and IP cameras conscripted into IoT botnets

A wide variety of Zyxel and LILIN IoT devices are being conscripted into several botnets, researchers have warned. Users are advised to implement the provided firmware updates to plug the security holes exploited by the botmasters or, if they can’t, to stop using the devices altogether or to put them behind network firewalls. Zyxel devices affected According to Palo Alto Networks’ Unit 42, botmasters using a new Mirai strain dubbed Mukashi are exploiting CVE-2020-9054, a … More ? The post Zyxel NAS, firewalls and LILIN DVRs and IP cameras conscripted into IoT botnets appeared first on Help Net Security .

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Zyxel NAS, firewalls and LILIN DVRs and IP cameras conscripted into IoT botnets

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

US Health and Human Services targeted by DDoS scum at just the time it’s needed to be up and running

Miscreants also hammer Euro websites as well, because why not? In an impeccable instance of horrible timing, the US government’s Department of Health and Human Services (HHS) says it fended off a cyberattack by online scumbags.…

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US Health and Human Services targeted by DDoS scum at just the time it’s needed to be up and running

DDoS attacks could affect next generation 911 call systems

Despite a previous warning by Ben-Gurion University of the Negev (BGU) researchers, who exposed vulnerabilities in 911 systems due to DDoS attacks, the next generation of 911 systems that now accommodate text, images and video still have the same or more severe issues. In the study the researchers evaluated the impact of DDoS attacks on the current (E911) and next generation 911 (NG911) infrastructures in North Carolina. The research was conducted by Dr. Mordechai Guri, … More ? The post DDoS attacks could affect next generation 911 call systems appeared first on Help Net Security .

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DDoS attacks could affect next generation 911 call systems

Microsoft nukes 9 million-strong Necurs botnet after unpicking domain name-generating algorithm

Takedown should (in theory) see spam volumes shrink rapidly Microsoft has bragged of downing a nine million-strong Russian botnet responsible for vast quantities of email spam.…

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