New Exploit Bypasses Existing Spectre-V2 Mitigations in Intel, AMD, Arm CPUs

Researchers have disclosed a new technique that could be used to circumvent existing hardware mitigations in modern processors from Intel, AMD, and Arm, and stage speculative execution attacks such as Spectre to leak sensitive information from host memory. Attacks like Spectre are designed to bre...

Ukrainian Hacker Linked to REvil Ransomware Attacks Extradited to United States

Yaroslav Vasinskyi, a Ukrainian national, linked to the Russia-based REvil ransomware group has been extradited to the U.S. to face charges for his role in carrying out the file-encrypting malware attacks against several companies, including Kaseya last July. The 22-year-old had been previously...

Emotet Botnet's Latest Resurgence Spreads to Over 100,000 Computers

The insidious Emotet botnet, which staged a return in November 2021 after a 10-month-long hiatus, is once again exhibiting signs of steady growth, amassing a swarm of over 100,000 infected hosts for perpetrating its malicious activities. "While Emotet has not yet attained the same scale it once...

Hackers Abuse Mitel Devices to Amplify DDoS Attacks by 4 Billion Times

Threat actors have been observed abusing a high-impact reflection/amplification method to stage sustained distributed denial-of-service DDoS attacks for up to 14 hours with a record-breaking amplification ratio of 4,294,967,296 to 1. The attack vector – dubbed TP240PhoneHome CVE-2022-26143 – has...

Critical Bugs Could Let Attackers Remotely Hack, Damage APC Smart-UPS Devices

Three high-impact security vulnerabilities have been disclosed in APC Smart-UPS devices that could be abused by remote adversaries as a physical weapon to access and control them in an unauthorized manner. Collectively dubbed TLStorm, the flaws "allow for complete remote takeover of Smart-UPS...

The Incident Response Plan - Preparing for a Rainy Day

The unfortunate truth is that while companies are investing more in cyber defenses and taking cybersecurity more seriously than ever, successful breaches and ransomware attacks are on the rise. While a successful breach is not inevitable, it is becoming more likely despite best efforts to prevent...

Chinese APT41 Hackers Broke into at Least 6 U.S. State Governments: Mandiant

APT41, the state-sponsored threat actor affiliated with China, breached at least six U.S. state government networks between May 2021 and February 2022 by retooling its attack vectors to take advantage of vulnerable internet-facing web applications. The exploited vulnerabilities included "a zero-d...

Critical RCE Bugs Found in Pascom Cloud Phone System Used by Businesses

Researchers have disclosed three security vulnerabilities affecting Pascom Cloud Phone System CPS that could be combined to achieve a full pre-authenticated remote code execution of affected systems. Kerbit security researcher Daniel Eshetu said the shortcomings, when chained together, can lead t...

Critical Security Patches Issued by Microsoft, Adobe and Other Major Software Firms

Microsoft's Patch Tuesday update for the month of March has been made officially available with 71 fixes spanning across its software products such as Windows, Office, Exchange, and Defender, among others. Of the total 71 patches, three are rated Critical and 68 are rated Important in severity...

New 16 High-Severity UEFI Firmware Flaws Discovered in Millions of HP Devices

Cybersecurity researchers on Tuesday disclosed 16 new high-severity vulnerabilities in various implementations of Unified Extensible Firmware Interface UEFI firmware impacting multiple HP enterprise devices. The shortcomings, which have CVSS scores ranging from 7.5 to 8.8, have been uncovered in...

Google: Russian Hackers Target Ukrainians, European Allies via Phishing Attacks

A broad range of threat actors, including Fancy Bear, Ghostwriter, and Mustang Panda, have launched phishing campaigns against Ukraine, Poland, and other European entities amid Russia's invasion of Ukraine. Google's Threat Analysis Group TAG said it took down two Blogspot domains that were used b...

Google Buys Cybersecurity Firm Mandiant for $5.4 Billion

Google is officially buying threat intelligence and incident response company Mandiant in an all-cash deal approximately valued at $5.4 billion, the two technology firms announced Tuesday. Mandiant is expected to be folded into Google Cloud upon the closure of the acquisition, which is slated to...

Samsung Confirms Data Breach After Hackers Leak Galaxy Source Code

Samsung on Monday confirmed a security breach that resulted in the exposure of internal company data, including the source code related to its Galaxy smartphones. "According to our initial analysis, the breach involves some source code relating to the operation of Galaxy devices, but does not...

Critical "Access:7" Supply Chain Vulnerabilities Impact ATMs, Medical and IoT Devices

As many as seven security vulnerabilities have been disclosed in PTC's Axeda software that could be weaponized to gain unauthorized access to medical and IoT devices. Collectively called "Access:7," the weaknesses – three of which are rated Critical in severity – potentially affect more than 150...

The Continuing Threat of Unpatched Security Vulnerabilities

Unpatched software is a computer code containing known security weaknesses. Unpatched vulnerabilities refer to weaknesses that allow attackers to leverage a known security bug that has not been patched by running malicious code. Software vendors write additions to the codes, known as "patches,"...

Researchers Warn of Linux Kernel 'Dirty Pipe' Arbitrary File Overwrite Vulnerability

Linux distributions are in the process of issuing patches to address a newly disclosed security vulnerability in the kernel that could allow an attacker to overwrite arbitrary data into any read-only files and allow for a complete takeover of affected systems. Dubbed "Dirty Pipe" CVE-2022-0847,...

Microsoft Azure 'AutoWarp' Bug Could Have Let Attackers Access Customers' Accounts

Details have been disclosed about a now-addressed critical vulnerability in Microsoft's Azure Automation service that could have permitted unauthorized access to other Azure customer accounts and take over control. "This attack could mean full control over resources and data belonging to the...

Critical Bugs in TerraMaster TOS Could Open NAS Devices to Remote Hacking

Researchers have disclosed details of critical security vulnerabilities in TerraMaster network-attached storage TNAS devices that could be chained to attain unauthenticated remote code execution with the highest privileges. The issues reside in TOS, an abbreviation for TerraMaster Operating Syste...

Understanding How Hackers Recon

Cyber-attacks keep increasing and evolving but, regardless of the degree of complexity used by hackers to gain access, get a foothold, cloak their malware, execute their payload or exfiltrate data, their attack will begin with reconnaissance. They will do their utmost to uncover exposed assets an...

Ukrainian CERT Warns Citizens of Phishing Attacks Using Compromised Accounts

Ukraine's Computer Emergency Response Team CERT-UA warned of new phishing attacks aimed at its citizens by leveraging compromised email accounts belonging to three different Indian entities with the goal of compromising their inboxes and stealing sensitive information. The agency cautioned that t...

SharkBot Banking Malware Spreading via Fake Android Antivirus App on Google Play Store

The threat actor behind a nascent Android banking trojan named SharkBot has managed to evade Google Play Store security barriers by masquerading as an antivirus app. SharkBot, like its malware counterparts TeaBot, FluBot, and Oscorp UBEL, belongs to a category of financial trojans capable of...

2 New Mozilla Firefox 0-Day Bugs Under Active Attack — Patch Your Browser ASAP!

Mozilla has pushed out-of-band software updates to its Firefox web browser to contain two high-impact security vulnerabilities, both of which it says are being actively exploited in the wild. Tracked as CVE-2022-26485 and CVE-2022-26486, the zero-day flaws have been described as use-after-free...

New Linux Kernel cgroups Vulnerability Could Let Attackers Escape Container

Details have emerged about a now-patched high-severity vulnerability in the Linux kernel that could potentially be abused to escape a container in order to execute arbitrary commands on the container host. The shortcoming resides in a Linux kernel feature called control groups, also referred to a...

Imperva Thwarts 2.5 Million RPS Ransom DDoS Extortion Attacks

Cybersecurity company Imperva on Friday said it recently mitigated a ransom distributed denial-of-service DDoS attack targeting an unnamed website that peaked at 2.5 million requests per second RPS. "While ransom DDoS attacks are not new, they appear to be evolving and becoming more interesting...

CISA Adds Another 95 Flaws to its Actively Exploited Vulnerabilities Catalog

The U.S. Cybersecurity and Infrastructure Security Agency CISA this week added 95 more security flaws to its Known Exploited Vulnerabilities Catalog, taking the total number of actively exploited vulnerabilities to 478. "These types of vulnerabilities are a frequent attack vector for malicious...

Both Sides in Russia-Ukraine War Heavily Using Telegram for Disinformation and Hacktivism

Cyber criminals and hacktivist groups are increasingly using the Telegram messaging app to coordinate their activities, leak data, and spread disinformation, as the Russia-Ukraine conflict enters its eighth day. A new analysis by Israeli cybersecurity company Check Point Research has found that...

New Security Vulnerability Affects Thousands of Self-Managed GitLab Instances

Researchers have disclosed details of a new security vulnerability in GitLab, an open-source DevOps software, that could potentially allow a remote, unauthenticated attacker to recover user-related information. Tracked as CVE-2021-4191 CVSS score: 5.3, the medium-severity flaw affects all version...

Russia Releases List of IPs, Domains Attacking Its Infrastructure with DDoS Attacks

As the ongoing Russia-Ukraine conflict continues to escalate, the Russian government on Thursday released a massive list containing 17,576 IP addresses and 166 domains that it said are behind a series of distributed denial-of-service DDoS attacks aimed at its domestic infrastructure. Some of the...

Researchers Demonstrate New Side-Channel Attack on Homomorphic Encryption

A group of academics from the North Carolina State University and Dokuz Eylul University have demonstrated what they say is the "first side-channel attack" on homomorphic encryption that could be exploited to leak data as the encryption process is underway. "Basically, by monitoring power...

Critical Patches Issued for Cisco Expressway Series, TelePresence VCS Products

Cisco this week shipped patches to address a new round of critical security vulnerabilities affecting Expressway Series and Cisco TelePresence Video Communication Server VCS that could be exploited by an attacker to gain elevated privileges and execute arbitrary code. The two flaws – tracked as...

How to Automate Offboarding to Keep Your Company Safe

In the midst of 'The Great Resignation,' the damage from employees or contractors leaving an organization might be one of the greatest risks facing IT teams today. The reality is that in the busy enterprise computing environment, user onboarding and offboarding is a fact of daily life. When...

Hackers Who Broke Into NVIDIA's Network Leak DLSS Source Code Online

American chipmaking company NVIDIA on Tuesday confirmed that its network was breached as a result of a cyber attack, enabling the perpetrators to gain access to sensitive data, including source code purportedly associated with its Deep Learning Super Sampling DLSS technology. "We have no evidence...

Report: Nearly 75% of Infusion Pumps Affected by Severe Vulnerabilities

An analysis of data crowdsourced from more than 200,000 network-connected infusion pumps used in hospitals and healthcare entities has revealed that 75% of those medical devices contain security weaknesses that could put them at risk of potential exploitation. "These shortcomings included exposur...

U.S. Senate Passes Cybersecurity Bill to Strengthen Critical Infrastructure Security

The U.S. Senate unanimously passed the "Strengthening American Cybersecurity Act" on Tuesday in an attempt to bolster the cybersecurity of critical infrastructure owners in the country. The new bipartisan legislation, among other things, stipulates entities that experience a cyber incident to...

Hackers Try to Target European Officials to Get Info on Ukrainian Refugees, Supplies

Details of a new nation-state sponsored phishing campaign have been uncovered setting its sights on European governmental entities in what's seen as an attempt to obtain intelligence on refugee and supply movement in the region. Enterprise security company Proofpoint, which detected the malicious...

Hackers Begin Weaponizing TCP Middlebox Reflection for Amplified DDoS Attacks

Distributed denial-of-service DDoS attacks leveraging a new amplification technique called TCP Middlebox Reflection have been detected for the first time in the wild, six months after the novel attack mechanism was presented in theory. "The attack … abuses vulnerable firewalls and content filteri...

LIVE Webinar: Key Lessons Learned from Major Cyberattacks in 2021 and What to Expect in 2022

With the COVID-19 pandemic continuing to impact, and perhaps permanently changing, how we work, cybercriminals again leveraged the distraction in new waves of cyberattacks. Over the course of 2021 we saw an increase in multiple attack approaches; some old, some new. Phishing and ransomware...

Critical Bugs Reported in Popular Open Source PJSIP SIP and Media Stack

As many as five security vulnerabilities have been disclosed in the PJSIP open-source multimedia communication library that could be abused by an attacker to trigger arbitrary code execution and denial-of-service DoS in applications that use the protocol stack. The weaknesses were identified and...

Critical Security Bugs Uncovered in VoIPmonitor Monitoring Software

Critical security vulnerabilities have been uncovered in VoIPmonitor software that, if successfully exploited, could allow unauthenticated attackers to escalate privileges to the administrator level and execute arbitrary commands. Following responsible disclosure by researchers from Kerbit, an...

TeaBot Android Banking Malware Spreads Again Through Google Play Store Apps

An Android banking trojan designed to steal credentials and SMS messages has been observed once again sneaking past Google Play Store protections to target users of more than 400 banking and financial apps, including those from Russia, China, and the U.S. "TeaBot RAT capabilities are achieved via...

Second New 'IsaacWiper' Data Wiper Targets Ukraine After Russian Invasion

A new data wiper malware has been observed deployed against an unnamed Ukrainian government network, a day after destructive cyber attacks struck multiple entities in the country preceding the start of Russia's military invasion. Slovak cybersecurity firm ESET dubbed the new malware "IsaacWiper,"...

Break into Ethical Hacking with 18 Advanced Online Courses for Just $42.99

It is predicted that 3.5 million jobs will be unfilled in the field of cybersecurity by the end of this year. Several of these jobs pay very well, and in most cases, you don't even need a college degree to get hired. The most important thing is to have the skills and certifications. The All-In-On...

Conti Ransomware Gang's Internal Chats Leaked Online After Siding With Russia

Days after the Conti ransomware group broadcasted a pro-Russian message pledging its allegiance to Vladimir Putin's ongoing invasion of Ukraine, an anonymous security researcher using the Twitter handle @ContiLeaks has leaked the syndicate's internal chats. The file dump, published by malware...

TrickBot Malware Gang Upgrades its AnchorDNS Backdoor to AnchorMail

Even as the TrickBot infrastructure closed shop, the operators of the malware are continuing to refine and retool their arsenal to carry out attacks that culminated in the deployment of Conti ransomware. IBM Security X-Force, which discovered the revamped version of the criminal gang's AnchorDNS...

Microsoft Finds FoxBlade Malware Hit Ukraine Hours Before Russian Invasion

UPDATE: It's worth noting that the malware Microsoft tracks as FoxBlade is the same as the data wiper that's been denominated HermeticWiper aka KillDisk. Microsoft on Monday disclosed that it detected a new round of offensive and destructive cyberattacks directed against Ukraine's digital...

China-linked Daxin Malware Targeted Multiple Governments in Espionage Attacks

A previously undocumented espionage tool has been deployed against selected governments and other critical infrastructure targets as part of a long-running espionage campaign orchestrated by China-linked threat actors since at least 2013. Broadcom's Symantec Threat Hunter team characterized the...

CISA adds recently disclosed Zimbra bug to its Exploited Vulnerabilities Catalog

The U.S. Cybersecurity and Infrastructure Security Agency CISA expanded its Known Exploited Vulnerabilities Catalog to include a recently disclosed zero-day flaw in the Zimbra email platform citing evidence of active exploitation in the wild. Tracked as CVE-2022-24682 CVSS score: 6.1, the issue...

100 Million Samsung Galaxy Phones Affected with Flawed Hardware Encryption Feature

A group of academics from Tel Aviv University have disclosed details of now-patched "severe" design flaws affecting about 100 million Android-based Samsung smartphones that could have resulted in the extraction of secret cryptographic keys. The shortcomings are the result of an analysis of the...

CISA Warns of High-Severity Flaws in Schneider and GE Digital's SCADA Software

The U.S. Cybersecurity and Infrastructure Security Agency CISA last week published an industrial control system ICS advisory related to multiple vulnerabilities impacting Schneider Electric's Easergy medium voltage protection relays. "Successful exploitation of these vulnerabilities may disclose...

Rebirth of Emotet: New Features of the Botnet and How to Detect it

One of the most dangerous and infamous threats is back again. In January 2021, global officials took down the botnet. Law enforcement sent a destructive update to the Emotet's executables. And it looked like the end of the trojan's story. But the malware never ceased to surprise. November 2021, i...