A light breeze was rustling along Connecticut Avenue when I arrived at an unmemorable bar in Washington, D.C., and plopped down across from a former federal intelligence official. It had been an exhausting day. For decades, I’ve covered the goings-on and machinations within Silicon Valley, but these days the biggest technology story is occurring at the heart of the nation’s capital. I’d already met with current and former intelligence and security officials in federal buildings along the lush Capitol grounds, researchers from think tanks in bespoke coffee shops near Dupont Circle, and, now, in a dark bar not too far from the National Mall. Each spoke articulately and cogently about the threats posed to the 2018 midterms by Russia. I’ve been reporting cyber-security and hacking for well over a decade, and even unearthed some truly scary stuff—like the chilling manifest destiny of fake news—in the process. But what I learned that day, and particularly in that bar, scared the shit out of me.

On the televisions hanging above the bar played a commercial for Uber—an apology from the company’s new C.E.O. for the actions of its previous C.E.O. As the news came back on, we made swamp small talk. Would the Democrats retake the house? Would Donald Trump win re-election in 2020? Or would his chaotic presidency all come crashing down far, far sooner? The former official simply shook his head side to side. “Russia is going to do everything it can to ensure that doesn’t happen,” he said. “They’ll hack the voting booths, if they haven’t already; they’ll quadruple their efforts on social media; they’ll do things we”—he pointed to me, then himself —“haven’t even thought of yet.” When I asked what we can do to stop them, he said, as if imitating the voice-over for a horror-movie trailer, “These are all things that have been in the works since the day Trump won two years ago.”

So what exactly is Russia planning for the upcoming election? The correct question, a half dozen security experts and former and current government officials have told me, is what are they not planning? These people all said that 2018 will likely be a testing ground for 2020. Many of the tactics that Russia experiments with could (and likely will) be enacted on a much larger scale two years from now. Some of these strategies and maneuvers appear grounded in reality, while others seem speculative, but all have the same sinister goal of breaking the system—by cleaving our polity, distracting us with feuds large and small—by sowing discord through technology platforms and services. “Having the U.S. at war with itself is giving Russia credit internationally,” explained Andrew Weiss, the vice president for research on Russia for the Carnegie Endowment for International Peace, noting that we as a country are more divided on almost every issue than at any other time in history. “[Russia is] not the creator of this problem, but they have exploited it. Just creating mistrust, and throwing a question mark over the legitimacy of our government, is a pretty big prize for Russia.”

In the coming months, these experts told me, Russian operatives will likely start creating fake Facebook groups (if they haven’t already)—some that slam to the left, others that lean as far right as humanly possible—that will argue with one another, and help us do the same; there will be accounts on social media that use Cambridge Analytica-style targeting to serve up ads, and a barrage of cleverly designed and perfectly disguised bots on Twitter. All stuff we’ve seen already, but with much more advanced algorithms and snakier and more aggressive tactics. (This time, for example, fake video and audio will start circulating through the social stratosphere, all with the intended purpose of trying to make real news seem fake, and fake news seem real.) As we’ve seen with the various e-mails posted on WikiLeaks—ranging from the Hillary Clinton campaign and the D.C.C.C. to the countless hacking attempts around the world that preceded the French national election—any modern candidate should expect that their e-mails, text messages, and personal social-media data are hacked and published. At least any candidate that Russia wants to harm.