Krebs on Security

FEBRUARY 4, 2019

But several more recent malware spam campaigns suggest GoDaddy’s fix hasn’t gone far enough, and that scammers likely still have a sizable arsenal of hijacked GoDaddy domains at their disposal. The domains documented by MyOnlineSecurity all had their DNS records altered between Jan. 31 and Feb. 31 and Feb.

DNS 244

DNS Ransomware Accountability Internet 244

Malwarebytes

APRIL 9, 2024

Victims are tricked into downloading and running the Nitrogen malware masquerading as a PuTTY or FileZilla installer. Nitrogen is used by threat actors to gain initial access to private networks, followed by data theft and the deployment of ransomware such as BlackCat/ALPHV.

System Administration 108

System Administration DNS Engineering Social Engineering 108

Security Boulevard

MAY 17, 2024

HYAS Protect protective DNS includes a user-friendly interface and four core deployment methods. Organizations of any size can monitor traffic with HYAS Protect’s cloud-based DNS resolver. DNS data from HYAS Protect allows organizations to identify their riskiest users and prioritize proactive security measures.

DNS 57

DNS Engineering Phishing Malware 57

Webroot

AUGUST 10, 2022

When was the last time you secretly smiled when ransomware gangs had their bitcoin stolen, their malware servers shut down, or were forced to disband? Indeed, some of the most destructive and costly ransomware groups are now in their third incarnation. MALWARE CONTINUES TO ITERATE, AND GROW.

Threat Reports 84

Threat Reports DNS Phishing Malware 84

Webroot

MAY 6, 2024

Here’s what you need to know: The Resilience of Ransomware Ransomware remains a formidable adversary, with groups like LockBit demonstrating an uncanny ability to bounce back even after significant law enforcement actions. Combine antivirus tools with DNS protection, endpoint monitoring, and user training for comprehensive protection.

Antivirus 89

Antivirus Education Cyber threats Phishing 89

Security Affairs

JUNE 12, 2022

sections “The Underdogs – Best Personal (non-commercial) Security Blog” and “The Tech Whizz – Best Technical Blog”). If you want to also receive for free the newsletter with the international press subscribe here. Please vote for Security Affairs and Pierluigi Paganini in every category that includes them (e.g. Pierluigi Paganini.

Ransomware 114

Ransomware DNS Cybercrime Hacking 114

Malwarebytes

DECEMBER 1, 2023

For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. As I explained in the blog DNS hijacks: what to look for , DNS is the phonebook of the internet to the effect that the input is a name and the output is a number. Get a free trial below.

DNS 87

DNS Internet Internet Encryption 87

Security Boulevard

JUNE 22, 2023

Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.

DNS 57

DNS Small Business Cyber Attacks Antivirus 57

Security Affairs

MAY 8, 2022

Please vote for Security Affairs as the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS Vote for me in the sections “The Underdogs – Best Personal (non-commercial) Security Blog” and “The Tech Whizz – Best Technical Blog” and others of your choice. Pierluigi Paganini.

IoT 83

IoT DNS Antivirus DDOS 83

Malwarebytes

JULY 19, 2021

Last week on Malwarebytes Labs: DNS-over-HTTPS takes another small step towards global domination Nope, that isn’t Elon Musk , and he isn’t offering a free Topmist Dust watch either Four in-the-wild exploits, 13 critical patches headline bumper Patch Tuesday Is crypto’s criminal rollercoaster approaching a terminal dip?

DNS 80

DNS VPN Retail Mobile 80

Duo's Security Blog

JULY 8, 2021

Computers and networks have been dealing with malware in one form or another for decades. Though in recent weeks ransomware has firmly been in the forefront of people’s minds, the first documented instance of what we now know as ransomware dates back to Dr. Joseph Popp in 1989. Because we’ve all had enough of it.

Ransomware 84

Ransomware DNS Encryption Healthcare 84

The Last Watchdog

DECEMBER 13, 2020

It can also deploy web filtering, threat prevention, DNS security, sandboxing, data loss prevention, next-generation firewall policies, information security and credential theft prevention. . They’re intensively using advanced techniques in these areas: •Malware self-propagation. Ransomware. But it much further.

B2C 214

B2C IoT B2B VPN 214

Webroot

SEPTEMBER 7, 2023

The number of ransomware attacks has increased by 18% , while the worldwide volume of phishing attacks doubled to 500 million in 2022. Depending on the size of the business, one-third to two-thirds of businesses suffer malware attacks in any given year. Cybercrime is on the rise. And those attacks are costing companies a lot of money.

Encryption 88

Encryption Cyber Insurance Cybercrime Phishing 88

Malwarebytes

FEBRUARY 28, 2024

One other malware family we have seen here and there is Rhadamanthys. In this blog post, we detail the latest distribution chain related to this malware. Threat actors are using decoy websites to trick users into downloading malware. Key points Rhadamanthys is an infostealer distributed via malspam and malvertising.

Advertising 77

Advertising Malware Software DNS 77

Security Affairs

JUNE 20, 2022

sections “The Underdogs – Best Personal (non-commercial) Security Blog” and “The Tech Whizz – Best Technical Blog”). Security Affairs is one of the finalists for the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS. Please vote for Security Affairs and Pierluigi Paganini in every category that includes them (e.g.

Spyware 70

Spyware DNS Surveillance Ransomware 70

eSecurity Planet

MARCH 14, 2022

Cobalt Strike – now owned by HelpSystems – provides various packages and tools to detect outdated software, generate malware , test endpoints , or run spear phishing campaigns that maximize success rate. It’s a pretty clever way to hide malicious instructions using DNS entries and some obfuscation algorithm the Beacon can decode.

Energy and Utilities 131

Energy and Utilities DNS Penetration Testing Ransomware 131

Security Boulevard

JUNE 28, 2023

The frequency and scope of cyberattacks like ransomware and supply-chain attacks is skyrocketing, as are the costs for organizations of all kinds. Another Day, Another Attack… Even just five years ago, ransomware was a concern, but many of us thought of it as a nuisance, not a cataclysmic crisis. I'm glad you asked.

Cybersecurity 57

Cybersecurity DNS Ransomware Malware 57

Security Boulevard

OCTOBER 2, 2023

This blog examines the escalating phishing landscape, shortcomings of common anti-phishing approaches, and why implementing a Protective DNS service as part of a layered defense provides the most effective solution. This is where Protective DNS comes in. Phishing attacks are becoming more automated.

DNS 62

DNS Phishing Social Engineering Engineering 62

Security Affairs

MARCH 4, 2019

Necurs botnet is currently the second largest spam botnet , it has been active since at least 2012 and was involved in massive campaigns spreading malware such as the Locky ransomware , the Scarab ransomware , and the Dridex banking Trojan. ” reads a blog post published by the firm. ” continues the blog post.

DNS 78

DNS Banking Advertising Ransomware 78

Security Affairs

SEPTEMBER 8, 2019

Hi folk, let me inform you that I suspended the newsletter service, anyway I’ll continue to provide you a list of published posts every week through the blog. JSWorm: The 4th Version of the Infamous Ransomware. Some Zyxel devices can be hacked via DNS requests. Thousands of servers infected with the Lilocked Ransomware.

IoT 73

IoT Data breaches DNS Advertising 73

Security Boulevard

APRIL 26, 2022

Some details about this campaign were published in this Korean blog, however they did not perform the threat attribution. In this blog, we will share the technical details of the attack chains, and will explain how we correlated this threat actor to Lazarus. Passive DNS data. Attack chains. Spear phishing emails distribution.

Phishing 52

Phishing DNS Cryptocurrency Accountability 52

Cisco Security

MAY 12, 2022

Since the rapid escalation of the conflict in 2022, security researchers and analysts have been gathering information regarding the adversarial groups, malware, techniques, and types of attacks implemented [1, 5, 6]. Some of the groups and malware related to the conflict are described in Table 1: Threat Actor. Gamaredon [7].

Malware 104

Malware DNS DDOS Phishing 104

McAfee

DECEMBER 22, 2021

In this blog, we present an overview of how you can mitigate the risk of this vulnerability exploitation with McAfee Enterprise solutions. As we are writing this blog, on MVISION Insights there are 1,813 IOCs including MD5, SHA256, URL, IP, DOMAIN, HOSTNAME. Exploitation of Remote Services – T1210 (Lateral Movement).

Malware 98

Malware Risk Internet Internet 98

eSecurity Planet

JANUARY 28, 2022

The enterprise software and cloud giant said in a blog post this week that during the last six months of the year, there was a 40 percent increase in the number of DDoS attacks worldwide over the first half of 2021, with an average of 1,955 attacks per day and a maximum of 4,296 on Aug. Two Other Big DDoS Attacks. “IoT

DDOS 136

DDOS IoT Engineering DNS 136

CyberSecurity Insiders

JANUARY 6, 2022

This blog was written by an independent guest blogger. Many people still don’t realize the dangers of phishing, malware, ransomware, unpatched software, and weak passwords. HTTPS and DNS), data link (e.g., Online transactions are essential for every modern business. Avoid storing payment data from your customers.

Encryption 134

Encryption Identity Theft Authentication Data breaches 134

Digital Shadows

JANUARY 30, 2023

Editor’s note: Dean Murphy , Brandon Tirado , and Joseph Morales all contributed to this blog. The “SocGholish” (aka FakeUpdates) malware distribution framework has presented a gripping tale of intrigue and suspense for ReliaQuest this year. Read on to find out what else we observed in this page-turner of an assessment.

Social Engineering 40

Social Engineering DNS Engineering Malware 40

Security Affairs

NOVEMBER 12, 2019

The two Macros decoded a Javascript payload acting as a drop and execute by using a well-known strategy as described in: “ Frequent VBA Macros used in Office Malware ”. The used infrastructure, by analyzing the dropping urls, looks like an old infrastructure used for propagating Ransomware. Image3: Redirecting script. 66.133.129.5)

Cybercrime 42

Cybercrime Computers and Electronics Penetration Testing Malware 42

Security Affairs

JULY 7, 2021

re’ in addition to a ransomware page available in the TOR network. Ransomware #Cybersecurity #ThreatIntel #ThreatHunting #Malware pic.twitter.com/G32IrY2GxD — Resecurity (@resecurity_com) July 7, 2021. In light of the recent #SupplyChain attack on @KaseyaCorp by #REvil , it is worth paying attention to decoder[.]re

Ransomware 116

Ransomware DNS IoT Retail 116

Security Boulevard

MARCH 13, 2024

While getting into “a land war in Asia” and “going in with a Sicilian when death is on the line” are classic blunders according to cult movie lore, there are classic blunders in cybersecurity we strive to avoid being victimized by - getting phished and falling prey to ransomware or business email compromise are a few that probably top the list.

DNS 48

DNS Architecture Cyber threats Phishing 48

Malwarebytes

FEBRUARY 28, 2024

In late January 2024, the ThreatDown Managed Detection and Response (MDR) team found and stopped a three-month long malware campaign against a Managed Service Provider (MSP) based in Europe. Almost immediately after onboarding the MSP in mid-January, the ThreatDown MDR team found extensive evidence of an ongoing malware campaign.

Malware 86

Malware DNS Surveillance Backups 86

Fox IT

JUNE 23, 2020

WastedLocker is a new ransomware locker we’ve detected being used since May 2020. Evil Corp were previously associated to the Dridex malware and BitPaymer ransomware, the latter came to prominence in the first half of 2017. Of course, this period coincided with the lockdowns due to the COVID19 pandemic.

Ransomware 45

Ransomware Encryption Malware Architecture 45

Malwarebytes

SEPTEMBER 14, 2022

From industry tips and best practices to the latest Malwarebytes product releases and how-tos, our Business newsletter is chock-full of the best of our business blog. Especially ransomware. Read Our Defender's Guide to Ransomware Resilience ! DNS filtering. But first, a little bit about what DNS (domain name system) is.

Technology 67

Technology DNS Cyber Insurance Insurance 67

Webroot

JUNE 21, 2021

It’s important for a business to be prepared with an exercised business continuity and disaster recovery (BC/DR) plan plan before its hit with ransomware so that it can resume operations as quickly as possible. It’s also essential to ensure end-users are trained on ransomware threats as a part of a good security awareness training program.

Backups 118

Backups DNS Ransomware Antivirus 118

SecureList

APRIL 27, 2022

Disclaimer: when referring to APT groups as Russian-speaking, Chinese-speaking or other-“speaking” languages, we refer to various artefacts used by the groups (such as malware debugging strings, comments found in scripts, etc.) On February 23, ESET published a tweet announcing new wiper malware targeting Ukraine.

Malware 135

Malware Firmware Government Phishing 135

Malwarebytes

APRIL 6, 2023

Act I: Humble Beginnings (2008 - 2012) In the late 2000s, Malwarebytes tiptoed into the business sector with corporate licensing for its consumer anti-malware product. MEE delivered centrally deployed, administered, and monitored threat protection and malware remediation to an audience of businesses, governments, and educational institutions.

Cybersecurity 71

Cybersecurity Malware Cyber threats Small Business 71

SecureList

JUNE 15, 2022

The most widespread techniques of monetizing cyberattacks include selling stolen databases, extortion (using ransomware) and carding. In contrast, less experienced cybercriminals are not always able to see an attack through to the end (malware execution, data theft, etc.), Malware log offers on a dark web forum. General topic.

VPN 101

VPN Accountability Ransomware Encryption 101

SecureList

MAY 27, 2022

Our analysis of the rogue firmware, and other malicious artefacts from the target’s network, revealed that the threat actor behind it had tampered with the firmware to embed malware that we call MoonBounce. On February 23, ESET published a tweet announcing new wiper malware targeting Ukraine. Roaming Mantis reaches Europe.

Phishing 115

Phishing Spyware Firmware Malware 115