Krebs on Security

NOVEMBER 12, 2024

Microsoft today released updates to plug at least 89 security holes in its Windows operating systems and other software. ” McCarthy also pointed to CVE-2024-43498 , a remote code execution flaw in.NET and Visual Studio that could be used to install malware. This bug has earned a CVSS severity rating of 9.8 (10 10 is the worst).

Authentication 277

Authentication Engineering Malware Passwords 277

Krebs on Security

JANUARY 31, 2025

The FBI and authorities in The Netherlands this week seized dozens of servers and domains for a hugely popular spam and malware dissemination service operating out of Pakistan. The investigation into the makers and buyers of this phishing software has not yet been completed with the seizure of the servers and domains.”

Phishing 272

Phishing Cybercrime Advertising Malware 272

Krebs on Security

AUGUST 2, 2022

With the recent demise of several popular “proxy” services that let cybercriminals route their malicious traffic through hacked PCs, there is now something of a supply chain crisis gripping the underbelly of the Internet. com , a malware-based proxy network that has been in existence since at least 2010.

Malware 324

Malware Cybercrime Internet Internet 324

Krebs on Security

FEBRUARY 28, 2024

But clicking the meeting link provided by the scammers prompts the user to run a script that quietly installs malware on macOS systems. It didn’t dawn on Doug until days later that the missed meeting with Mr. Lee might have been a malware attack. MacOS computers include X-Protect , Apple’s built-in antivirus technology.

Malware 334

Malware Cryptocurrency Software Phishing 334

Security Affairs

JUNE 9, 2025

malware has infected millions of IoT devices globally, creating a botnet used for cyber criminal activities, the FBI warns. The FBI published a Public Service Announcement (PSA) to warn that cybercriminals are using the BADBOX 2.0 “Most of the infected devices were manufactured in China. 3 ” reads the alert published by the FBI.

IoT 145

IoT Internet Internet Advertising 145

eSecurity Planet

MAY 11, 2025

Technical support consultant using programming to upgrade artificial intelligence simulation model As AI tools boom in popularity, cyberthieves are exploiting the excitement with fake AI video editing platforms that lure users into downloading malware. The Noodlophile Stealer is a new malware strain.

Malware 103

Malware Scams Media Artificial Intelligence 103

Krebs on Security

JUNE 1, 2023

Code-signing certificates are supposed to help authenticate the identity of software publishers, and provide cryptographic assurance that a signed piece of software has not been altered or tampered with. “Antivirus software trusts signed programs more. For some types of software, a digital signature is mandatory.”

Malware 314

Malware Cybercrime Software Accountability 314

SecureList

APRIL 23, 2025

We have been tracking the latest attack campaign by the Lazarus group since last November, as it targeted organizations in South Korea with a sophisticated combination of a watering hole strategy and vulnerability exploitation within South Korean software. We found that the malware was running in the memory of a legitimate SyncHost.

Malware 143

Malware Software Encryption Internet 143

Krebs on Security

APRIL 18, 2023

For the past seven years, a malware-based proxy service known as “ Faceless ” has sold anonymity to countless cybercriminals. The proxy lookup page inside the malware-based anonymity service Faceless. as a media sharing device on a local network that was somehow exposed to the Internet. Image: spur.us.

Malware 305

Malware Passwords Accountability Advertising 305

Krebs on Security

NOVEMBER 16, 2022

A financial cybercrime group calling itself the Disneyland Team has been making liberal use of visually confusing phishing domains that spoof popular bank brands using Punycode , an Internet standard that allows web browsers to render domain names with non-Latin alphabets like Cyrillic.

Malware 338

Malware Banking Phishing DDOS 338

Krebs on Security

MAY 17, 2022

The consensus seems to be that the ZIP file currently harbors a malware threat known as Ramnit , a fairly common but dangerous trojan horse that spreads by appending itself to other files. He said Saicoo did not address his concern that the driver package on its website was bundled with malware. Image: Virustotal.com.

Malware 355

Malware Government Internet Internet 355

Security Affairs

OCTOBER 19, 2024

North Korea-linked group APT37 exploited an Internet Explorer zero-day vulnerability in a supply chain attack. “Successful exploitation of this vulnerability requires an attacker to first prepare the target so that it uses Edge in Internet Explorer Mode.” ” reads the advisory published by AhnLab.

Internet 143

Internet Internet Engineering Malware 143

Krebs on Security

JULY 25, 2023

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. ” According to Kilmer, AVrecon is the malware that gives SocksEscort its proxies. SocksEscort[.]com

Malware 244

Malware VPN Internet Internet 244

Krebs on Security

SEPTEMBER 27, 2023

The victim shaming site operated by the Snatch ransomware group is leaking data about its true online location and internal operations, as well as the Internet addresses of its visitors, KrebsOnSecurity has found. Probably the most active Internet address accessing Snatch’s darknet site is 193.108.114[.]41 top , sntech2ch[.]top

Ransomware 326

Ransomware Internet Internet Phishing 326

Krebs on Security

DECEMBER 4, 2024

Last week, the Russian government reportedly arrested Matveev and charged him with creating malware used to extort companies. Russia’s interior ministry last week issued a statement saying a 32-year-old hacker had been charged with violating domestic laws against the creation and use of malicious software. Matveev, a.k.a.

Cybercrime 251

Cybercrime Ransomware Cryptocurrency Government 251

Krebs on Security

MARCH 11, 2025

Rapid7’s lead software engineer Adam Barnett said Windows 11 and Server 2019 onwards are not listed as receiving patches, so are presumably not vulnerable. The SANS Internet Storm Center has a useful list of all the Microsoft patches released today, indexed by severity.

System Administration 239

System Administration Engineering Internet Internet 239

Security Affairs

DECEMBER 17, 2024

The FBI warned of a fresh wave of HiatusRAT malware attacks targeting internet-facing Chinese-branded web cameras and DVRs. The Federal Bureau of Investigation (FBI) released a Private Industry Notification (PIN) to warn of HiatusRAT malware campaigns targeting Chinese-branded web cameras and DVRs. ” reads the PIN report.

Architecture 109

Architecture Internet Internet Malware 109

Malwarebytes

FEBRUARY 19, 2025

The latest, major threats to Mac computers can steal passwords and credit card details with delicate precision, targeting victims across the internet based on their device, location, and operating system. These findings come from the 2025 State of Malware report. By 2018, TrickBot was the largest threat to businesses.

Malware 139

Malware Software Passwords Cryptocurrency 139

Krebs on Security

MARCH 11, 2022

As their cities suffered more intense bombardment by Russian military forces this week, Ukrainian Internet users came under renewed cyberattacks, with one Internet company providing service there saying they blocked ten times the normal number of phishing and malware attacks targeting Ukrainians.

DNS 337

DNS Internet Internet Phishing 337

Krebs on Security

MAY 20, 2025

The brief attack appears to have been a test run for a massive new Internet of Things (IoT) botnet capable of launching crippling digital assaults that few web destinations can withstand. Aisuru reportedly went quiet after that exposure, only to reappear in November with even more firepower and software exploits.

DDOS 293

DDOS IoT Internet Internet 293

Krebs on Security

NOVEMBER 28, 2022

Army and the Centers for Disease Control and Prevention (CDC) were integrating software that sends visitor data to a Russian company called Pushwoosh , which claims to be based in the United States. ” wherein Shmakov acknowledged writing the malware as a freelance project. Pushwoosh says it is a U.S. THE PINCER TROJAN CONNECTION.

Mobile 291

Mobile Malware Technology Government 291

Security Affairs

NOVEMBER 10, 2024

internet service providers in recent months as part of a cyber espionage campaign code-named Salt Typhoon. internet-service providers in recent months in pursuit of sensitive information, according to people familiar with the matter.” China-linked threat actors have breached several U.S. Wall Street Journal reported.

Hacking 132

Hacking Internet Internet Government 132

Schneier on Security

APRIL 2, 2024

modified the way the software functions. In theory, the code could allow for just about anything, including stealing encryption keys or installing malware. The sophistication of both the exploit and the process to get it into the software project scream nation-state operation. It was an incredibly complex backdoor.

Social Engineering 354

Social Engineering Engineering Software Encryption 354

Security Affairs

APRIL 25, 2025

The campaign has been active since at least November 2024, Lazarus Group is targeting South Korean organizations using watering hole tactics and exploiting software vulnerabilities. The attackers used multiple hacking tools and malware, including ThreatNeedle , Agamemnon downloader, wAgent , SIGNBT, and COPPERHEDGE.

Malware 94

Malware Software Encryption Hacking 94

Krebs on Security

JUNE 8, 2023

It’s not often that a zero-day vulnerability causes a network security vendor to urge customers to physically remove and decommission an entire line of affected hardware — as opposed to just applying software updates. The Barracuda Email Security Gateway (ESG) 900 appliance. Campbell, Calif.

Firmware 340

Firmware Malware Software Ransomware 340

Security Affairs

APRIL 22, 2025

Japan s Financial Services Agency (FSA) reported that the damage caused by unauthorized access to and transactions on internet trading services is increasing. Keeping devices updated and using reliable antivirus software also helps prevent malware-related data theft. ” reads the FSA’s alert.

Financial Services 121

Financial Services Passwords Antivirus Accountability 121

Krebs on Security

JULY 18, 2022

For the past seven years, an online service known as 911 has sold access to hundreds of thousands of Microsoft Windows computers daily, allowing customers to route their Internet traffic through PCs in virtually any country or city around the globe — but predominantly in the United States. THE INTERNET NEVER FORGETS.

VPN 358

VPN Computers and Electronics Antivirus Software 358

Krebs on Security

APRIL 8, 2025

Microsoft today released updates to plug at least 121 security holes in its Windows operating systems and software, including one vulnerability that is already being exploited in the wild. As ever, please consider backing up your data and or devices prior to updating, which makes it far less complicated to undo a software update gone awry.

Software 179

Software Media Internet Internet 179

Zero Day

JUNE 6, 2025

X Trending Memorial Day tech sales 2025 Memorial Day TV sales 2025 Memorial Day lawn & outdoor sales 2025 Memorial Day phone sales 2025 Memorial Day health tracker sales 2025 Memorial Day headphone sales 2025 Memorial Day laptop sales 2025 Best CRM software of 2025 Best small business CRM software of 2025 Best free website builders of 2025 Best (..)

Password Management 128

Password Management Passwords Software Artificial Intelligence 128

Malwarebytes

DECEMBER 2, 2024

.” How to protect your small business from ransomware As is true with all malware infections, the best defense to a ransomware attack is to never allow an attack to occur in the first place. Patch known vulnerabilities in internet-facing software and disable or harden the login credentials for remote work tools like RDP ports and VPNs.

Ransomware 136

Ransomware Backups Small Business Malware 136

Webroot

NOVEMBER 21, 2024

VPN servers: Usually located all over the world, VPN servers act as intermediaries between your device and the internet and maintain your privacy by masking your IP address and location. Kill switch: Blocks your device’s internet access if the VPN connection drops. This way, the VPN app makes sure you’re always protected.

VPN 111

VPN Antivirus Internet Internet 111

Schneier on Security

APRIL 11, 2024

Last week, the internet dodged a major nation-state attack that would have had catastrophic cybersecurity repercussions worldwide. There are libraries for everything: displaying objects in 3D, spell-checking, performing complex mathematics, managing an e-commerce shopping cart, moving files around the internet—everything.

Software 360

Software Engineering Internet Internet 360

Adam Levin

JULY 6, 2022

A firewall is a network security device or program designed to prevent unauthorized and malicious internet traffic from entering a private network or device. Firewalls can be software- or hardware-based. A software firewall is a program installed on a computer that monitors incoming traffic entering through ports.

Firewall 298

Firewall Software Internet Internet 298

SecureList

DECEMBER 9, 2024

A software update in April caused problems in a number of distributions, such as Red Hat, Debian and Rocky. A previous faulty update had already suggested broader problems with CrowdStrike’s security software at the time, though the problem didn’t receive that much publicity. Why does it matter? Why does it matter?

Internet 111

Internet Internet Risk Social Engineering 111

Krebs on Security

SEPTEMBER 12, 2023

Microsoft today issued software updates to fix at least five dozen security holes in Windows and supported software, including patches for two zero-day vulnerabilities that are already being exploited. Also, Adobe , Google Chrome and Apple iOS users may have their own zero-day patching to do.

Spyware 316

Spyware Software Surveillance Authentication 316

Krebs on Security

AUGUST 13, 2024

Microsoft today released updates to fix at least 90 security vulnerabilities in Windows and related software, including a whopping six zero-day flaws that are already being actively exploited by attackers. For a more detailed breakdown of the individual flaws addressed by Microsoft today, check out the SANS Internet Storm Center’s list.

Internet 317

Internet Internet Malware Software 317

SecureList

MAY 15, 2025

The percentage of ICS computers on which denylisted internet resources were blocked continues to decrease. In Q1 2025, the percentage of ICS computers on which various types of malware spread via the internet and email were blocked increased for the first time since the beginning of 2023. times more) were blocked.

Spyware 88

Spyware Phishing Internet Internet 88