Showing only posts tagged DDoS. Show all posts.

UK outlaws awful default passwords on connected devices

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Enlarge (credit: Getty Images) If you build a gadget that connects to the Internet and sell it in the United Kingdom, you can no longer make the default password "password." In fact, you're not supposed to have default passwords at all. A new version of the 2022 Product Security …

DOJ quietly removed Russian malware from routers in US homes and businesses

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Enlarge (credit: Getty Images) More than 1,000 Ubiquiti routers in homes and small businesses were infected with malware used by Russian-backed agents to coordinate them into a botnet for crime and spy operations, according to the Justice Department. That malware, which worked as a botnet for the Russian …

AWS Security Profile: Tom Scholl, VP and Distinguished Engineer, AWS

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In the AWS Security Profile series, we feature the people who work in Amazon Web Services (AWS) Security and help keep our customers safe and secure. This interview is with Tom Scholl, VP and Distinguished Engineer for AWS. What do you do in your current role and how long …

Biggest DDoSes of all time generated by protocol 0-day in HTTP/2

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Enlarge (credit: Aurich Lawson / Getty) In August and September, threat actors unleashed the biggest distributed denial-of-service attacks in Internet history by exploiting a previously unknown vulnerability in a key technical protocol. Unlike other high-severity zero-days in recent years— Heartbleed or log4j, for example—which caused chaos from a torrent …

Automatically detect and block low-volume network floods

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In this blog post, I show you how to deploy a solution that uses AWS Lambda to automatically manage the lifecycle of Amazon VPC Network Access Control List (ACL) rules to mitigate network floods detected using Amazon CloudWatch Logs Insights and Amazon Timestream. Application teams should consider the impact …

Attackers find new ways to deliver DDoSes with “alarming” sophistication

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Enlarge (credit: Aurich Lawson / Getty) The protracted arms race between criminals who wage distributed denial-of-service attacks and the defenders who attempt to stop them continues, as the former embraces “alarming” new methods to make their online offensives more powerful and destructive, researchers from content-delivery network Cloudflare reported Wednesday. With …

Syntax errors are the doom of us all, including botnet authors

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Enlarge / If you're going to come at port 443, you best not miss (or forget to put a space between URL and port). (credit: Getty Images) KmsdBot, a cryptomining botnet that could also be used for denial-of-service (DDOS) attacks, broke into systems through weak secure shell credentials. It could …

Using AWS Shield Advanced protection groups to improve DDoS detection and mitigation

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Amazon Web Services (AWS) customers can use AWS Shield Advanced to detect and mitigate distributed denial of service (DDoS) attacks that target their applications running on Amazon Elastic Compute Cloud (Amazon EC2), Elastic Local Balancing (ELB), Amazon CloudFront, AWS Global Accelerator, and Amazon Route 53. By using protection groups …

Conti Ransomware Group Diaries, Part IV: Cryptocrime

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Three stories here last week pored over several years’ worth of internal chat records stolen from the Conti ransomware group, the most profitable ransomware gang in operation today. The candid messages revealed how Conti evaded law enforcement and intelligence agencies, what it was like on a typical day at …

KrebsOnSecurity Hit By Huge New IoT Botnet “Meris”

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On Thursday evening, KrebsOnSecurity was the subject of a rather massive (and mercifully brief) distributed denial-of-service (DDoS) attack. The assault came from “ Meris,” the same new botnet behind record-shattering attacks against Russian search giant Yandex this week and internet infrastructure firm Cloudflare earlier this summer. Cloudflare recently wrote about …

AWS Shield threat landscape review: 2020 year-in-review

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AWS Shield is a managed service that protects applications that are running on Amazon Web Services (AWS) against external threats, such as bots and distributed denial of service (DDoS) attacks. Shield detects network and web application-layer volumetric events that may indicate a DDoS attack, web content scraping, or other …