73 Posts

Limor Kessem

Executive Security Advisor, IBM

Limor Kessem is one of the top cyber intelligence experts at IBM Security. She is a seasoned security advocate, public speaker, and a regular blogger on the cutting-edge IBM Security Intelligence blog. Limor comes to IBM from organizations like RSA Security, where she spent 5 years as part of the RSA research labs and drove the FraudAction blog on RSA's Speaking of Security. She also served as the Marketing Director of Big Data analytics startup ThetaRay, where she created the company's cybersecurity thought leadership. Limor is considered an authority on emerging cybercrime threats. She participated as a highly appreciated speaker on live InfraGard New York webcasts (an FBI collaboration), spoke in RSA events worldwide, conducts live webinars on all things fraud and cybercrime, and writes a large variety of threat intelligence  publications. With her unique position at the intersection of multiple research teams at IBM, and her fingers on the pulse of current day threats, Limor covers the full spectrum of trends affecting consumers, corporations, and the industry as a whole. On the social side, Limor tweets security items as @iCyberFighter and is an avid Brazilian Jiu Jitsu fighter.

Written By Limor Kessem

TrickBot Is Hand-Picking Private Banks for Targets — With Redirection Attacks in Tow!

According to IBM X-Force Research, the operators of the infamous TrickBot Trojan have been hand-picking private banks to target with redirection attacks.

The Necurs Botnet: A Pandora’s Box of Malicious Spam

Since its initial launch five years ago, the Necurs botnet has quickly ascended the cybercriminal ranks. Today, it controls more than 6 million endpoints.

Cybercriminals Riding Tax Filing Tides: Tax Fraud Season in Effect

IBM X-Force researchers discovered that the volume of spam email campaigns carrying tax fraud scams rises sharply during the months surrounding tax season.

Commercial Malware Makes a Comeback in 2016

According to the IBM X-Force Threat Intelligence Index for 2017, commercial malware made a notable comeback in 2016 and remains a top threat in 2017.

The NukeBot Trojan, a Bruised Ego and a Surprising Source Code Leak

After being spurned by his cybercriminal peers on underground forums, the creator of NukeBot apparently leaked the banking Trojan's source code.

Hey Phishing, You Old Foe — Catch This Cognitive Drift?

Powered by machine learning, IBM Trusteer can help IT professionals nip phishing attacks in the bud with unprecedented speed and accuracy.

Unraveling GootKit’s Stealth Loader

GootKit is an ongoing malware project that affects the three most popular browsers: Internet Explorer, Mozilla Firefox and Google Chrome.

Churn Under the Surface of Global Cybercrime

Global cybercrime actors test their malware in small settings before launching internationally, leaving trails of clues to tip off astute security teams.

Around the World With Zeus Sphinx: From Canada to Australia and Back

For the first time, IBM X-Force Researchers reported Zeus Sphinx activity targeting banks and financial institutions in Canada and Australia.

Year in Review: Top Three Cybercrime Threats of 2016

The top three cybercrime threats of 2016 shed some light on what happened in the past 12 months — and what to expect in the year ahead.

Co-Written By Limor Kessem

QakBot Banking Trojan Causes Massive Active Directory Lockouts

IBM X-Force attributed a recent wave of malware-induced Active Directory (AD) lockouts across several IR engagements to the operators of the QakBot Trojan.

Relying on Data to Mitigate the Risk of WordPress Website Hijacking

To protect their WordPress sites from scammers, administrators must proactively patch and monitor their installations to weed out unwanted content.

Brazilian Malware Never Sleeps: Meet EmbusteBot

IBM Research — Haifa Labs detected yet another malware campaign, dubbed EmbusteBot, designed to target dozens of financial institutions in Brazil.

GootKit Developers Dress It Up With Web Traffic Proxy

X-Force researchers revealed the cybergang behind Gootkit had upgraded the banking Trojan with new network interception and certificate bypass methods.

The Full Shamoon: How the Devastating Malware Was Inserted Into Networks

X-Force IRIS researchers found that the Shamoon malware operators relied on weaponized documents that leveraged PowerShell to infiltrate targeted networks.

Anatomy of an hVNC Attack

Cybercriminals who rely on remote control tactics to commit financial fraud may use hidden virtual network computing (hVNC) modules to cover their tracks.

Client Maximus: New Remote Overlay Malware Highlights Rising Malcode Sophistication in Brazil

IBM X-Force researchers discovered a new malware called Client Maximus that contains advanced code written specifically to attack banks in Brazil.

Two Heads Are Better Than One: Going Under the Hood to Analyze GozNym

IBM X-Force researchers recognized that the GozNym banking malware leverages features from two types of malware to make it double the threat.

Gozi Banking Trojan Upgrades Build to Inject Into Windows 10 Edge Browser

The developers of the Gozi banking Trojan have built some improvements into the malware that now allow it to attack Windows 10 operating systems.

Dyre Summer Renovation: Randomized Config File Names Keep Antivirus Engines Guessing

Developers of the Dyre malware are keeping a close eye on security, making several changes to the file configuration to avoid detection.

Tsukuba: Banking Trojan Phishing in Japanese Waters

IBM Security Trusteer researchers recently discovered a new financial malware dubbed Tsukuba, which targets Japanese online banking users.