The Role That IT Security Teams Need to Play in Connected Hospitals

The WannaCry outbreak that reportedly raked in US$1B in damage costs also forced doctors to cancel scheduled appointments, among other things, brought on warranted concern over pervasive ransomware attacks that could stem from oft-overlooked components of healthcare networks—exposed medical cyber...

A week in security (April 02 – April 08)

Last week, we took a look at fake Whatsapp antics, dubious gaming extensions, and a huge Panera bread breach. There was also LockCrypt ransomware to contend with, we had a poke around Linkedin, and we published another Physician, protect thyself blog. Other news Compromised cash register systems...

Labs CTNT report shows shift in threat landscape to cryptomining

It's that time again! Time for the quarterly Malwarebytes Labs Cybercrime Tactics and Techniques report aka the Labs CTNT report. To get a more complete picture of what's been going on in cybercrime this quarter, the Labs team has combined intel and statistics gathered from January through March...

Ongoing Threat of Ransomware

NCCIC has observed an increase in ransomware attacks across the world. Ransomware is a type of malicious software, or malware, designed to deny access to a computer system or data until a ransom is paid. Ransomware typically spreads through phishing emails or by unknowingly visiting an infected...

Microsoft Office 365 Gets Built-in Ransomware Protection and Enhanced Security Features

Ransomware has been around for a few years, but it has become an albatross around everyone's neck, targeting big businesses, hospitals, financial institutions and individuals worldwide and extorting millions of dollars. Last year, we saw some major ransomware outbreaks, including WannaCry and...

Sophos Endpoint Protection 10.7 - Tamper-Protection Bypass

Sophos Endpoint Protection 10.7 - Tamper-Protection Bypass + Credits: John Page aka hyp3rlinx + Website: hyp3rlinx.altervista.org + Source: http://hyp3rlinx.altervista.org/advisories/SOPHOS-ENDPOINT-PROTECTION-v10.7-TAMPER-PROTECTION-BYPASS-CVE-2018-4863.txt + ISR: Apparition Security Vendor:...

LockCrypt ransomware: weakness in code can lead to recovery

At the start of the year, it seemed that 2018 was going to be all about cryptominers. They so overwhelmingly dominated the landscape that it looked like no other threat had a chance. However, ransomware is not giving up the field so fast. There have been new variants popping up every couple of...

Vulnerability Spotlight: Natus NeuroWorks Multiple Vulnerabilities

Vulnerabilities discovered by Cory Duplantis from Talos Overview Talos has discovered multiple vulnerabilities in Natus NeuroWorks software. This software is used in the Natus Xltek EEG medical products from Natus Medical Inc. The vulnerable devices contain an ethernet connection for data...

A week in security (March 26 – April 01)

Last week, we looked at the thought process behind creating a ransomware decryptor, the inner workings of QuantLoader, the ways one can protect their Android devices, the exploit kits we have encountered this winter, the now-known epidemic of data breaches, the coming of TLS 1.3, and the ways one...

An in-depth malware analysis of QuantLoader

This guest post is written by Vishal Thakur, CSIRT/Salesforce. For more on Vishal, read his bio at the end of the blog. QuantLoader is a Trojan downloader that has been available for sale on underground forums for quite some time now. It has been used in campaigns serving a range of malware,...

Encryption 101: Decryptor’s thought process

In the previous parts 1, 2 and 3 of this series, we covered the basics of encryption, walked through a live example of a ransomware in detail, and talked about encryption weaknesses. In this part of the encryption 101 series, we will begin wrapping it up by going into detail on a ransomware with...

A week in security (March 19 – March 25)

Last week, we looked at the growing problem of smartphone addiction, how link rot is continually slicing down portions of the web, and the theft of our intellectual property. We also explored the landscape of DDoS problems, and tackled a Stephen Hawking 419 scam. Other news What can only really b...

Etcd REST API 未授权访问漏洞

From an application security perspective databases are the most valuable parts of our systems. They store the data that gives value to our apps and companies. This data which has been entrusted to us by our users should be kept safe and away of the hands of criminals. Every developer I talk to is...

Ransomware Attack Cripples Several Atlanta City Systems

UPDATE – Atlanta Mayor Keisha Lance Bottoms said during a Monday press conference that the emergency response team continues to “work around the clock” to address an ongoing ransomware attack on the city’s systems that first started Thursday. Many services are still unavailable four days after th...

A week in security (March 12 – March 18)

Last week on Malwarebytes Labs, we took a look at the inner workings of a fileless attack, explored what happened in a zero day ransomware attack aimed at South Koreans, gave you hints and tips for avoiding cold calls, and took a deep dive into the secretive world of GrayKey. Other news The Equif...

GandCrab Ransomware Crooks Take Agile Development Approach

Earlier this month, command-and-control servers tied to the fast-growing GandCrab ransomware campaigns were seized by Romanian Police and Europol. But, criminals behind GandCrab don’t appear phased by the setback and have already tweaked the malware to keep ransomware payment coming in. According...

Microsoft Security Intelligence Report volume 23 is now available

As security incidents and events keep making headlines, Microsoft is committed to helping our customers and the rest of the security community to make sense of the risks and offer recommendations. Old and new malware continues to get propagated through massive botnets, attackers are increasing...

Hermes ransomware distributed to South Koreans via recent Flash zero-day

This blog post was authored by @hasherezade, Jérôme Segura and Vasilios Hioureas. At the end of January, the South Korean Emergency Response Team KrCERT published news of a Flash Player zero-day used in targeted attacks. The flaw, which exists in Flash Player 28.0.0.137 and below, was distributed...

The Future of Cybersecurity Is in the Cloud

For decades we have feared the cloud. During my time working counterintelligence for the FBI, we feared the Internet so much that agency computers functioned solely on an isolated intranet connected via hard cables. It’s no wonder to me that that government has still not embraced the unlimited...

Invisible resource thieves: The increasing threat of cryptocurrency miners

The surge in Bitcoin prices has driven widescale interest in cryptocurrencies. While the future of digital currencies is uncertain, they are shaking up the cybersecurity landscape as they continue to influence the intent and nature of attacks. Cybercriminals gave cryptocurrencies a bad name when...